99730933825 has 6 divisors (see below), whose sum is σ = 123666357974. Its totient is φ = 79784747040.

The previous prime is 99730933751. The next prime is 99730933859. The reversal of 99730933825 is 52833903799.

It can be written as a sum of positive squares in 3 ways, for example, as 17228137536 + 82502796289 = 131256^2 + 287233^2 .

It is not a de Polignac number, because 99730933825 - 2²¹ = 99728836673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99730933825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994618652 + ... + 1994618701.

Almost surely, 2^99730933825 is an apocalyptic number.

It is an amenable number.

99730933825 is a deficient number, since it is larger than the sum of its proper divisors (23935424149).

99730933825 is a wasteful number, since it uses less digits than its factorization.

99730933825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989237363 (or 3989237358 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 99730933825 in words is "ninety-nine billion, seven hundred thirty million, nine hundred thirty-three thousand, eight hundred twenty-five".