30757716057 has 4 divisors (see below), whose sum is σ = 41010288080. Its totient is φ = 20505144036.

The previous prime is 30757716043. The next prime is 30757716083. The reversal of 30757716057 is 75061775703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30757716057 - 2⁶ = 30757715993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30757715997 and 30757716015.

It is not an unprimeable number, because it can be changed into a prime (30757712057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126286007 + ... + 5126286012.

It is an arithmetic number, because the mean of its divisors is an integer number (10252572020).

Almost surely, 2^30757716057 is an apocalyptic number.

It is an amenable number.

30757716057 is a deficient number, since it is larger than the sum of its proper divisors (10252572023).

30757716057 is a wasteful number, since it uses less digits than its factorization.

30757716057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10252572022.

The product of its (nonzero) digits is 1080450, while the sum is 48.

The spelling of 30757716057 in words is "thirty billion, seven hundred fifty-seven million, seven hundred sixteen thousand, fifty-seven".