30613966905 has 32 divisors (see below), whose sum is σ = 50030409600. Its totient is φ = 15980516352.

The previous prime is 30613966891. The next prime is 30613966909. The reversal of 30613966905 is 50966931603.

It is not a de Polignac number, because 30613966905 - 2¹⁶ = 30613901369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30613966909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127137 + ... + 278193.

It is an arithmetic number, because the mean of its divisors is an integer number (1563450300).

Almost surely, 2^30613966905 is an apocalyptic number.

It is an amenable number.

30613966905 is a deficient number, since it is larger than the sum of its proper divisors (19416442695).

30613966905 is a wasteful number, since it uses less digits than its factorization.

30613966905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151353.

The product of its (nonzero) digits is 787320, while the sum is 48.

The spelling of 30613966905 in words is "thirty billion, six hundred thirteen million, nine hundred sixty-six thousand, nine hundred five".