698494043520 has 3072 divisors, whose sum is σ = 3375654912000. Its totient is φ = 134886850560.

The previous prime is 698494043503. The next prime is 698494043531. The reversal of 698494043520 is 25340494896.

698494043520 is a `hidden beast` number, since 6 + 98 + 494 + 0 + 43 + 5 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7848247636 + ... + 7848247724.

It is an arithmetic number, because the mean of its divisors is an integer number (1098846000).

Almost surely, 2^698494043520 is an apocalyptic number.

698494043520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698494043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687827456000).

698494043520 is an abundant number, since it is smaller than the sum of its proper divisors (2677160868480).

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

698494043520 is a wasteful number, since it uses less digits than its factorization.

698494043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 698494043520 in words is "six hundred ninety-eight billion, four hundred ninety-four million, forty-three thousand, five hundred twenty".