2495881051688 has 16 divisors (see below), whose sum is σ = 4679813721780. Its totient is φ = 1247930725888.

The previous prime is 2495881051579. The next prime is 2495881051709. The reversal of 2495881051688 is 8861501885942.

It can be written as a sum of positive squares in 2 ways, for example, as 2484034470724 + 11846580964 = 1576082^2 + 108842^2 .

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 3 ways as a sum of consecutive naturals, for example, 79595 + ... + 2235642.

Almost surely, 2^{2495881051688} is an apocalyptic number.

It is an amenable number.

2495881051688 is a deficient number, since it is larger than the sum of its proper divisors (2183932670092).

2495881051688 is a wasteful number, since it uses less digits than its factorization.

2495881051688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449996 (or 2449992 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 65.

The spelling of 2495881051688 in words is "two trillion, four hundred ninety-five billion, eight hundred eighty-one million, fifty-one thousand, six hundred eighty-eight".