49377831986 has 16 divisors (see below), whose sum is σ = 84654351936. Its totient is φ = 21160268016.

The previous prime is 49377831941. The next prime is 49377832043. The reversal of 49377831986 is 68913877394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55925 + ... + 319191.

It is an arithmetic number, because the mean of its divisors is an integer number (5290896996).

Almost surely, 2^49377831986 is an apocalyptic number.

49377831986 is a deficient number, since it is larger than the sum of its proper divisors (35276519950).

49377831986 is a wasteful number, since it uses less digits than its factorization.

49377831986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276673.

The product of its digits is 54867456, while the sum is 65.

The spelling of 49377831986 in words is "forty-nine billion, three hundred seventy-seven million, eight hundred thirty-one thousand, nine hundred eighty-six".