56642656107941 has 2 divisors, whose sum is σ = 56642656107942. Its totient is φ = 56642656107940.

The previous prime is 56642656107881. The next prime is 56642656107967. The reversal of 56642656107941 is 14970165624665.

It is a happy number.

56642656107941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38325026499841 + 18317629608100 = 6190721^2 + 4279910^2 .

It is a cyclic number.

It is not a de Polignac number, because 56642656107941 - 2²² = 56642651913637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56642656137941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28321328053970 + 28321328053971.

It is an arithmetic number, because the mean of its divisors is an integer number (28321328053971).

Almost surely, 2^{56642656107941} is an apocalyptic number.

It is an amenable number.

56642656107941 is a deficient number, since it is larger than the sum of its proper divisors (1).

56642656107941 is an equidigital number, since it uses as much as digits as its factorization.

56642656107941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 56642656107941 in words is "fifty-six trillion, six hundred forty-two billion, six hundred fifty-six million, one hundred seven thousand, nine hundred forty-one".