49667656131 has 12 divisors (see below), whose sum is σ = 72918271920. Its totient is φ = 32568954480.

The previous prime is 49667656121. The next prime is 49667656133. The reversal of 49667656131 is 13165676694.

It is a happy number.

49667656131 is a `hidden beast` number, since 4 + 9 + 6 + 6 + 76 + 561 + 3 + 1 = 666.

It is not a de Polignac number, because 49667656131 - 2⁵ = 49667656099 is a prime.

It is a super-2 number, since 2×49667656131² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49667656133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45234111 + ... + 45235208.

It is an arithmetic number, because the mean of its divisors is an integer number (6076522660).

Almost surely, 2^49667656131 is an apocalyptic number.

49667656131 is a deficient number, since it is larger than the sum of its proper divisors (23250615789).

49667656131 is a wasteful number, since it uses less digits than its factorization.

49667656131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90469386 (or 90469383 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 49667656131 in words is "forty-nine billion, six hundred sixty-seven million, six hundred fifty-six thousand, one hundred thirty-one".