30929958813 has 16 divisors (see below), whose sum is σ = 44417056320. Its totient is φ = 19031760384.

The previous prime is 30929958809. The next prime is 30929958827. The reversal of 30929958813 is 31885992903.

It is not a de Polignac number, because 30929958813 - 2² = 30929958809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30929958853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372970 + ... + 448292.

It is an arithmetic number, because the mean of its divisors is an integer number (2776066020).

Almost surely, 2^30929958813 is an apocalyptic number.

It is an amenable number.

30929958813 is a deficient number, since it is larger than the sum of its proper divisors (13487097507).

30929958813 is a wasteful number, since it uses less digits than its factorization.

30929958813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85868.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 30929958813 in words is "thirty billion, nine hundred twenty-nine million, nine hundred fifty-eight thousand, eight hundred thirteen".