30636023957 has 16 divisors (see below), whose sum is σ = 38228516352. Its totient is φ = 23851630320.

The previous prime is 30636023941. The next prime is 30636023993. The reversal of 30636023957 is 75932063603.

It is not a de Polignac number, because 30636023957 - 2⁴ = 30636023941 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 (30636023917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81503 + ... + 260604.

It is an arithmetic number, because the mean of its divisors is an integer number (2389282272).

Almost surely, 2^30636023957 is an apocalyptic number.

It is an amenable number.

30636023957 is a deficient number, since it is larger than the sum of its proper divisors (7592492395).

30636023957 is a wasteful number, since it uses less digits than its factorization.

30636023957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343288.

The product of its (nonzero) digits is 612360, while the sum is 44.

The spelling of 30636023957 in words is "thirty billion, six hundred thirty-six million, twenty-three thousand, nine hundred fifty-seven".