30657372205 has 32 divisors (see below), whose sum is σ = 38536363008. Its totient is φ = 23393760000.

The previous prime is 30657372191. The next prime is 30657372217. The reversal of 30657372205 is 50227375603.

It is not a de Polignac number, because 30657372205 - 2¹³ = 30657364013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1872555 + ... + 1888855.

It is an arithmetic number, because the mean of its divisors is an integer number (1204261344).

Almost surely, 2^30657372205 is an apocalyptic number.

It is an amenable number.

30657372205 is a deficient number, since it is larger than the sum of its proper divisors (7878990803).

30657372205 is a wasteful number, since it uses less digits than its factorization.

30657372205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16557.

The product of its (nonzero) digits is 264600, while the sum is 40.

The spelling of 30657372205 in words is "thirty billion, six hundred fifty-seven million, three hundred seventy-two thousand, two hundred five".