99530353251 has 24 divisors (see below), whose sum is σ = 167657224800. Its totient is φ = 56874485808.

The previous prime is 99530353243. The next prime is 99530353261. The reversal of 99530353251 is 15235303599.

99530353251 is a `hidden beast` number, since 9 + 9 + 530 + 35 + 32 + 51 = 666.

It is not a de Polignac number, because 99530353251 - 2³ = 99530353243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99530353197 and 99530353206.

It is not an unprimeable number, because it can be changed into a prime (99530353261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16117800 + ... + 16123973.

It is an arithmetic number, because the mean of its divisors is an integer number (6985717700).

Almost surely, 2^99530353251 is an apocalyptic number.

99530353251 is a deficient number, since it is larger than the sum of its proper divisors (68126871549).

99530353251 is a wasteful number, since it uses less digits than its factorization.

99530353251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32241800 (or 32241783 counting only the distinct ones).

The product of its (nonzero) digits is 546750, while the sum is 45.

The spelling of 99530353251 in words is "ninety-nine billion, five hundred thirty million, three hundred fifty-three thousand, two hundred fifty-one".