496557181413 has 28 divisors (see below), whose sum is σ = 745402911468. Its totient is φ = 330634509120.

The previous prime is 496557181349. The next prime is 496557181469. The reversal of 496557181413 is 314181755694.

496557181413 is a `hidden beast` number, since 4 + 9 + 6 + 557 + 1 + 81 + 4 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63037651329 + 433519530084 = 251073^2 + 658422^2 .

It is not a de Polignac number, because 496557181413 - 2⁶ = 496557181349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 496557181413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496557181513) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 183681 + ... + 1013337.

Almost surely, 2^496557181413 is an apocalyptic number.

It is an amenable number.

496557181413 is a deficient number, since it is larger than the sum of its proper divisors (248845730055).

496557181413 is an frugal number, since it uses more digits than its factorization.

496557181413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830496 (or 830481 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 496557181413 in words is "four hundred ninety-six billion, five hundred fifty-seven million, one hundred eighty-one thousand, four hundred thirteen".