556466546089 has 2 divisors, whose sum is σ = 556466546090. Its totient is φ = 556466546088.

The previous prime is 556466546071. The next prime is 556466546113. The reversal of 556466546089 is 980645664655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373697470864 + 182769075225 = 611308^2 + 427515^2 .

It is a cyclic number.

It is not a de Polignac number, because 556466546089 - 2³⁵ = 522106807721 is a prime.

It is a super-2 number, since 2×556466546089² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556466546089.

It is not a weakly prime, because it can be changed into another prime (556466546059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278233273044 + 278233273045.

It is an arithmetic number, because the mean of its divisors is an integer number (278233273045).

Almost surely, 2^556466546089 is an apocalyptic number.

It is an amenable number.

556466546089 is a deficient number, since it is larger than the sum of its proper divisors (1).

556466546089 is an equidigital number, since it uses as much as digits as its factorization.

556466546089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624000, while the sum is 64.

The spelling of 556466546089 in words is "five hundred fifty-six billion, four hundred sixty-six million, five hundred forty-six thousand, eighty-nine".