2556751339297 has 16 divisors (see below), whose sum is σ = 2695498565760. Its totient is φ = 2418423460992.

The previous prime is 2556751339291. The next prime is 2556751339309. The reversal of 2556751339297 is 7929331576552.

It is a cyclic number.

It is not a de Polignac number, because 2556751339297 - 2²³ = 2556742950689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556751339291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99344043 + ... + 99369775.

It is an arithmetic number, because the mean of its divisors is an integer number (168468660360).

Almost surely, 2^{2556751339297} is an apocalyptic number.

It is an amenable number.

2556751339297 is a deficient number, since it is larger than the sum of its proper divisors (138747226463).

2556751339297 is a wasteful number, since it uses less digits than its factorization.

2556751339297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672.

The product of its digits is 107163000, while the sum is 64.

The spelling of 2556751339297 in words is "two trillion, five hundred fifty-six billion, seven hundred fifty-one million, three hundred thirty-nine thousand, two hundred ninety-seven".