998469312750 has 768 divisors, whose sum is σ = 3538960588800. Its totient is φ = 201460089600.

The previous prime is 998469312749. The next prime is 998469312751. The reversal of 998469312750 is 57213964899.

998469312750 is a `hidden beast` number, since 9 + 98 + 469 + 3 + 12 + 75 + 0 = 666.

998469312750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (998469312749) and next prime (998469312751).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998469312751) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 230751087 + ... + 230755413.

It is an arithmetic number, because the mean of its divisors is an integer number (4608021600).

It is a 1-persistent number, because it is pandigital, but 2⋅998469312750 = 1996938625500 is not.

Almost surely, 2^998469312750 is an apocalyptic number.

998469312750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 998469312750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769480294400).

998469312750 is an abundant number, since it is smaller than the sum of its proper divisors (2540491276050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998469312750 is a wasteful number, since it uses less digits than its factorization.

998469312750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 998469312750 in words is "nine hundred ninety-eight billion, four hundred sixty-nine million, three hundred twelve thousand, seven hundred fifty".