10656252569 has 2 divisors, whose sum is σ = 10656252570. Its totient is φ = 10656252568.

The previous prime is 10656252533. The next prime is 10656252571. The reversal of 10656252569 is 96525265601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7074828544 + 3581424025 = 84112^2 + 59845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10656252569 is a prime.

It is a super-2 number, since 2×10656252569² (a number of 21 digits) contains 22 as substring.

Together with 10656252571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10656252169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328126284 + 5328126285.

It is an arithmetic number, because the mean of its divisors is an integer number (5328126285).

Almost surely, 2^10656252569 is an apocalyptic number.

It is an amenable number.

10656252569 is a deficient number, since it is larger than the sum of its proper divisors (1).

10656252569 is an equidigital number, since it uses as much as digits as its factorization.

10656252569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 10656252569 in words is "ten billion, six hundred fifty-six million, two hundred fifty-two thousand, five hundred sixty-nine".