99568801313 has 4 divisors (see below), whose sum is σ = 104809264560. Its totient is φ = 94328338068.

The previous prime is 99568801247. The next prime is 99568801331. The reversal of 99568801313 is 31310886599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-99568801313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99568801363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620231595 + ... + 2620231632.

It is an arithmetic number, because the mean of its divisors is an integer number (26202316140).

Almost surely, 2^99568801313 is an apocalyptic number.

It is an amenable number.

99568801313 is a deficient number, since it is larger than the sum of its proper divisors (5240463247).

99568801313 is a wasteful number, since it uses less digits than its factorization.

99568801313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240463246.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 99568801313 in words is "ninety-nine billion, five hundred sixty-eight million, eight hundred one thousand, three hundred thirteen".