556974685963 has 2 divisors, whose sum is σ = 556974685964. Its totient is φ = 556974685962.

The previous prime is 556974685921. The next prime is 556974685997. The reversal of 556974685963 is 369586479655.

556974685963 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 is a cyclic number.

It is not a de Polignac number, because 556974685963 - 2¹⁷ = 556974554891 is a prime.

It is not a weakly prime, because it can be changed into another prime (556974686963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278487342981 + 278487342982.

It is an arithmetic number, because the mean of its divisors is an integer number (278487342982).

Almost surely, 2^556974685963 is an apocalyptic number.

556974685963 is a deficient number, since it is larger than the sum of its proper divisors (1).

556974685963 is an equidigital number, since it uses as much as digits as its factorization.

556974685963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664000, while the sum is 73.

It can be divided in two parts, 55697 and 4685963, that added together give a triangular number (4741660 = T₃₀₇₉).

The spelling of 556974685963 in words is "five hundred fifty-six billion, nine hundred seventy-four million, six hundred eighty-five thousand, nine hundred sixty-three".