56672339513 has 2 divisors, whose sum is σ = 56672339514. Its totient is φ = 56672339512.

The previous prime is 56672339467. The next prime is 56672339543. The reversal of 56672339513 is 31593327665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49216535104 + 7455804409 = 221848^2 + 86347^2 .

It is a cyclic number.

It is not a de Polignac number, because 56672339513 - 2²⁴ = 56655562297 is a prime.

It is not a weakly prime, because it can be changed into another prime (56672339543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28336169756 + 28336169757.

It is an arithmetic number, because the mean of its divisors is an integer number (28336169757).

Almost surely, 2^56672339513 is an apocalyptic number.

It is an amenable number.

56672339513 is a deficient number, since it is larger than the sum of its proper divisors (1).

56672339513 is an equidigital number, since it uses as much as digits as its factorization.

56672339513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 50.

The spelling of 56672339513 in words is "fifty-six billion, six hundred seventy-two million, three hundred thirty-nine thousand, five hundred thirteen".