2556707586983 has 16 divisors (see below), whose sum is σ = 2828326824960. Its totient is φ = 2291701183200.

The previous prime is 2556707586973. The next prime is 2556707586989. The reversal of 2556707586983 is 3896857076552.

It is not a de Polignac number, because 2556707586983 - 2⁴ = 2556707586967 is a prime.

It is a super-2 number, since 2×2556707586983² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556707586989) 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, 1391708 + ... + 2655233.

It is an arithmetic number, because the mean of its divisors is an integer number (176770426560).

Almost surely, 2^{2556707586983} is an apocalyptic number.

2556707586983 is a deficient number, since it is larger than the sum of its proper divisors (271619237977).

2556707586983 is a wasteful number, since it uses less digits than its factorization.

2556707586983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047758.

The product of its (nonzero) digits is 762048000, while the sum is 71.

The spelling of 2556707586983 in words is "two trillion, five hundred fifty-six billion, seven hundred seven million, five hundred eighty-six thousand, nine hundred eighty-three".