30937951457 has 4 divisors (see below), whose sum is σ = 35357658816. Its totient is φ = 26518244100.

The previous prime is 30937951433. The next prime is 30937951493. The reversal of 30937951457 is 75415973903.

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 a cyclic number.

It is not a de Polignac number, because 30937951457 - 2⁶ = 30937951393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30937951399 and 30937951408.

It is not an unprimeable number, because it can be changed into a prime (30937954457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209853669 + ... + 2209853682.

It is an arithmetic number, because the mean of its divisors is an integer number (8839414704).

Almost surely, 2^30937951457 is an apocalyptic number.

It is an amenable number.

30937951457 is a deficient number, since it is larger than the sum of its proper divisors (4419707359).

30937951457 is an equidigital number, since it uses as much as digits as its factorization.

30937951457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419707358.

The product of its (nonzero) digits is 3572100, while the sum is 53.

The spelling of 30937951457 in words is "thirty billion, nine hundred thirty-seven million, nine hundred fifty-one thousand, four hundred fifty-seven".