49186866584 has 16 divisors (see below), whose sum is σ = 92929387320. Its totient is φ = 24405696640.

The previous prime is 49186866557. The next prime is 49186866587. The reversal of 49186866584 is 48566868194.

It is a self number, because there is not a number n which added to its sum of digits gives 49186866584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49186866587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23465969 + ... + 23468064.

Almost surely, 2^49186866584 is an apocalyptic number.

It is an amenable number.

49186866584 is a deficient number, since it is larger than the sum of its proper divisors (43742520736).

49186866584 is a wasteful number, since it uses less digits than its factorization.

49186866584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46934170 (or 46934166 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 65.

The spelling of 49186866584 in words is "forty-nine billion, one hundred eighty-six million, eight hundred sixty-six thousand, five hundred eighty-four".