2549376993555 has 24 divisors (see below), whose sum is σ = 5050194425952. Its totient is φ = 1165429482624.

The previous prime is 2549376993539. The next prime is 2549376993619. The reversal of 2549376993555 is 5553996739452.

2549376993555 is a `hidden beast` number, since 2 + 5 + 4 + 9 + 3 + 7 + 69 + 9 + 3 + 555 = 666.

It is not a de Polignac number, because 2549376993555 - 2⁴ = 2549376993539 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4046629834 + ... + 4046630463.

It is an arithmetic number, because the mean of its divisors is an integer number (210424767748).

Almost surely, 2^{2549376993555} is an apocalyptic number.

2549376993555 is a deficient number, since it is larger than the sum of its proper divisors (2500817432397).

2549376993555 is a wasteful number, since it uses less digits than its factorization.

2549376993555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8093260315 (or 8093260312 counting only the distinct ones).

The product of its digits is 1377810000, while the sum is 72.

The spelling of 2549376993555 in words is "two trillion, five hundred forty-nine billion, three hundred seventy-six million, nine hundred ninety-three thousand, five hundred fifty-five".