556313911969 has 2 divisors, whose sum is σ = 556313911970. Its totient is φ = 556313911968.

The previous prime is 556313911949. The next prime is 556313912047. The reversal of 556313911969 is 969119313655.

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., 297802678369 + 258511233600 = 545713^2 + 508440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556313911969 is a prime.

It is a super-2 number, since 2×556313911969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (556313911949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278156955984 + 278156955985.

It is an arithmetic number, because the mean of its divisors is an integer number (278156955985).

Almost surely, 2^556313911969 is an apocalyptic number.

It is an amenable number.

556313911969 is a deficient number, since it is larger than the sum of its proper divisors (1).

556313911969 is an equidigital number, since it uses as much as digits as its factorization.

556313911969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5904900, while the sum is 58.

The spelling of 556313911969 in words is "five hundred fifty-six billion, three hundred thirteen million, nine hundred eleven thousand, nine hundred sixty-nine".