99312612953 has 8 divisors (see below), whose sum is σ = 106085104488. Its totient is φ = 92643518464.

The previous prime is 99312612947. The next prime is 99312612961. The reversal of 99312612953 is 35921621399.

It can be written as a sum of positive squares in 4 ways, for example, as 12939517504 + 86373095449 = 113752^2 + 293893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99312612953 - 2⁴ = 99312612937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99312612943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25847276 + ... + 25851117.

It is an arithmetic number, because the mean of its divisors is an integer number (13260638061).

Almost surely, 2^99312612953 is an apocalyptic number.

It is an amenable number.

99312612953 is a deficient number, since it is larger than the sum of its proper divisors (6772491535).

99312612953 is a wasteful number, since it uses less digits than its factorization.

99312612953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51698523.

The product of its digits is 787320, while the sum is 50.

The spelling of 99312612953 in words is "ninety-nine billion, three hundred twelve million, six hundred twelve thousand, nine hundred fifty-three".