99613775073 has 32 divisors (see below), whose sum is σ = 144408064000. Its totient is φ = 60846811200.

The previous prime is 99613775047. The next prime is 99613775083. The reversal of 99613775073 is 37057731699.

It is not a de Polignac number, because 99613775073 - 2⁸ = 99613774817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is the 315617-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99613775083) by changing a digit.

It is a nontrivial repunit in base 315616.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2985543 + ... + 3018723.

It is an arithmetic number, because the mean of its divisors is an integer number (4512752000).

Almost surely, 2^99613775073 is an apocalyptic number.

99613775073 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

99613775073 is a deficient number, since it is larger than the sum of its proper divisors (44794288927).

99613775073 is a wasteful number, since it uses less digits than its factorization.

99613775073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34933.

The product of its (nonzero) digits is 7501410, while the sum is 57.

The spelling of 99613775073 in words is "ninety-nine billion, six hundred thirteen million, seven hundred seventy-five thousand, seventy-three".