556461957941 has 2 divisors, whose sum is σ = 556461957942. Its totient is φ = 556461957940.

The previous prime is 556461957923. The next prime is 556461958007. The reversal of 556461957941 is 149759164655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421077699025 + 135384258916 = 648905^2 + 367946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556461957941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556461977941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278230978970 + 278230978971.

It is an arithmetic number, because the mean of its divisors is an integer number (278230978971).

Almost surely, 2^556461957941 is an apocalyptic number.

It is an amenable number.

556461957941 is a deficient number, since it is larger than the sum of its proper divisors (1).

556461957941 is an equidigital number, since it uses as much as digits as its factorization.

556461957941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824000, while the sum is 62.

The spelling of 556461957941 in words is "five hundred fifty-six billion, four hundred sixty-one million, nine hundred fifty-seven thousand, nine hundred forty-one".