2656765453 has 2 divisors, whose sum is σ = 2656765454. Its totient is φ = 2656765452.

The previous prime is 2656765411. The next prime is 2656765471. The reversal of 2656765453 is 3545676562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2057348164 + 599417289 = 45358^2 + 24483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656765453 - 2²⁵ = 2623211021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656765397 and 2656765406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656765403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328382726 + 1328382727.

It is an arithmetic number, because the mean of its divisors is an integer number (1328382727).

Almost surely, 2^2656765453 is an apocalyptic number.

It is an amenable number.

2656765453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656765453 is an equidigital number, since it uses as much as digits as its factorization.

2656765453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 49.

The square root of 2656765453 is about 51543.8207062690. The cubic root of 2656765453 is about 1385.0041406211.

The spelling of 2656765453 in words is "two billion, six hundred fifty-six million, seven hundred sixty-five thousand, four hundred fifty-three".