99541052613 has 6 divisors (see below), whose sum is σ = 143781520454. Its totient is φ = 66360701736.

The previous prime is 99541052579. The next prime is 99541052617. The reversal of 99541052613 is 31625014599.

99541052613 is a `hidden beast` number, since 99 + 541 + 0 + 5 + 2 + 6 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59676138369 + 39864914244 = 244287^2 + 199662^2 .

It is not a de Polignac number, because 99541052613 - 2⁹ = 99541052101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99541052617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5530058470 + ... + 5530058487.

Almost surely, 2^99541052613 is an apocalyptic number.

It is an amenable number.

99541052613 is a deficient number, since it is larger than the sum of its proper divisors (44240467841).

99541052613 is a wasteful number, since it uses less digits than its factorization.

99541052613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060116963 (or 11060116960 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 99541052613 in words is "ninety-nine billion, five hundred forty-one million, fifty-two thousand, six hundred thirteen".