9999498600 has 1728 divisors, whose sum is σ = 48625012800. Its totient is φ = 1881169920.

The previous prime is 9999498589. The next prime is 9999498611. The reversal of 9999498600 is 68949999.

It is an interprime number because it is at equal distance from previous prime (9999498589) and next prime (9999498611).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 526289391 + ... + 526289409.

It is an arithmetic number, because the mean of its divisors is an integer number (28139475).

Almost surely, 2^9999498600 is an apocalyptic number.

9999498600 is a gapful number since it is divisible by the number (90) 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 9999498600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24312506400).

9999498600 is an abundant number, since it is smaller than the sum of its proper divisors (38625514200).

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

9999498600 is a wasteful number, since it uses less digits than its factorization.

9999498600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 63.

The square root of 9999498600 is about 99997.4929685740. The cubic root of 9999498600 is about 2154.3986816449.

The spelling of 9999498600 in words is "nine billion, nine hundred ninety-nine million, four hundred ninety-eight thousand, six hundred".