2656552130569 has 2 divisors, whose sum is σ = 2656552130570. Its totient is φ = 2656552130568.

The previous prime is 2656552130563. The next prime is 2656552130657. The reversal of 2656552130569 is 9650312556562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1739866521600 + 916685608969 = 1319040^2 + 957437^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656552130569 - 2⁵ = 2656552130537 is a prime.

It is a super-2 number, since 2×2656552130569² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2656552130563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328276065284 + 1328276065285.

It is an arithmetic number, because the mean of its divisors is an integer number (1328276065285).

Almost surely, 2^{2656552130569} is an apocalyptic number.

It is an amenable number.

2656552130569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656552130569 is an equidigital number, since it uses as much as digits as its factorization.

2656552130569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580000, while the sum is 55.

The spelling of 2656552130569 in words is "two trillion, six hundred fifty-six billion, five hundred fifty-two million, one hundred thirty thousand, five hundred sixty-nine".