2539858990968 has 48 divisors (see below), whose sum is σ = 7407922059720. Its totient is φ = 781495073856.

The previous prime is 2539858990967. The next prime is 2539858991017. The reversal of 2539858990968 is 8690998589352.

2539858990968 is a `hidden beast` number, since 2 + 5 + 398 + 5 + 89 + 90 + 9 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539858990967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1356761346 + ... + 1356763217.

Almost surely, 2^{2539858990968} is an apocalyptic number.

It is an amenable number.

2539858990968 is an abundant number, since it is smaller than the sum of its proper divisors (4868063068752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2539858990968 is a wasteful number, since it uses less digits than its factorization.

2539858990968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713524588 (or 2713524581 counting only the distinct ones).

The product of its (nonzero) digits is 3023308800, while the sum is 81.

The spelling of 2539858990968 in words is "two trillion, five hundred thirty-nine billion, eight hundred fifty-eight million, nine hundred ninety thousand, nine hundred sixty-eight".