2656754263 has 4 divisors (see below), whose sum is σ = 2668356040. Its totient is φ = 2645152488.

The previous prime is 2656754227. The next prime is 2656754297. The reversal of 2656754263 is 3624576562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656754263 - 2²¹ = 2654657111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656754063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5800545 + ... + 5801002.

It is an arithmetic number, because the mean of its divisors is an integer number (667089010).

Almost surely, 2^2656754263 is an apocalyptic number.

2656754263 is a deficient number, since it is larger than the sum of its proper divisors (11601777).

2656754263 is a wasteful number, since it uses less digits than its factorization.

2656754263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11601776.

The product of its digits is 1814400, while the sum is 46.

The square root of 2656754263 is about 51543.7121577404. The cubic root of 2656754263 is about 1385.0021961240.

The spelling of 2656754263 in words is "two billion, six hundred fifty-six million, seven hundred fifty-four thousand, two hundred sixty-three".