556504064065 has 8 divisors (see below), whose sum is σ = 668673288360. Its totient is φ = 444624310272.

The previous prime is 556504064059. The next prime is 556504064089. The reversal of 556504064065 is 560460405655.

It is a Cunningham number, because it is equal to 745992²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 200342179216 + 356161884849 = 447596^2 + 596793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556504064065 - 2⁹ = 556504063553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72363394 + ... + 72371083.

It is an arithmetic number, because the mean of its divisors is an integer number (83584161045).

Almost surely, 2^556504064065 is an apocalyptic number.

It is an amenable number.

556504064065 is a deficient number, since it is larger than the sum of its proper divisors (112169224295).

556504064065 is a wasteful number, since it uses less digits than its factorization.

556504064065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144735251.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 556504064065 in words is "five hundred fifty-six billion, five hundred four million, sixty-four thousand, sixty-five".