2556714623 has 4 divisors (see below), whose sum is σ = 2557442640. Its totient is φ = 2555986608.

The previous prime is 2556714607. The next prime is 2556714679. The reversal of 2556714623 is 3264176552.

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 2556714623 - 2⁴ = 2556714607 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 (2556714323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358715 + ... + 365772.

It is an arithmetic number, because the mean of its divisors is an integer number (639360660).

Almost surely, 2^2556714623 is an apocalyptic number.

2556714623 is a deficient number, since it is larger than the sum of its proper divisors (728017).

2556714623 is an equidigital number, since it uses as much as digits as its factorization.

2556714623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728016.

The product of its digits is 302400, while the sum is 41.

The square root of 2556714623 is about 50563.9656573730. The cubic root of 2556714623 is about 1367.3953072776.

The spelling of 2556714623 in words is "two billion, five hundred fifty-six million, seven hundred fourteen thousand, six hundred twenty-three".