2539413191916 has 18 divisors (see below), whose sum is σ = 6419072235212. Its totient is φ = 846471063960.

The previous prime is 2539413191881. The next prime is 2539413191923. The reversal of 2539413191916 is 6191913149352.

2539413191916 is a `hidden beast` number, since 2 + 5 + 39 + 413 + 1 + 9 + 191 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35269627630 + ... + 35269627701.

Almost surely, 2^{2539413191916} is an apocalyptic number.

It is an amenable number.

2539413191916 is an abundant number, since it is smaller than the sum of its proper divisors (3879659043296).

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

2539413191916 is a wasteful number, since it uses less digits than its factorization.

2539413191916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70539255341 (or 70539255336 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The spelling of 2539413191916 in words is "two trillion, five hundred thirty-nine billion, four hundred thirteen million, one hundred ninety-one thousand, nine hundred sixteen".