56678500013 has 2 divisors, whose sum is σ = 56678500014. Its totient is φ = 56678500012.

The previous prime is 56678499991. The next prime is 56678500159. The reversal of 56678500013 is 31000587665.

56678500013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55966784329 + 711715684 = 236573^2 + 26678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56678500013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56678500313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28339250006 + 28339250007.

It is an arithmetic number, because the mean of its divisors is an integer number (28339250007).

Almost surely, 2^56678500013 is an apocalyptic number.

It is an amenable number.

56678500013 is a deficient number, since it is larger than the sum of its proper divisors (1).

56678500013 is an equidigital number, since it uses as much as digits as its factorization.

56678500013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 56678500013 in words is "fifty-six billion, six hundred seventy-eight million, five hundred thousand, thirteen".