49686364868 has 48 divisors (see below), whose sum is σ = 100191995904. Its totient is φ = 21118799520.

The previous prime is 49686364867. The next prime is 49686364909. The reversal of 49686364868 is 86846368694.

It is a junction number, because it is equal to n+sod(n) for n = 49686364798 and 49686364807.

It is not an unprimeable number, because it can be changed into a prime (49686364867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8385755 + ... + 8391677.

It is an arithmetic number, because the mean of its divisors is an integer number (2087333248).

Almost surely, 2^49686364868 is an apocalyptic number.

It is an amenable number.

49686364868 is an abundant number, since it is smaller than the sum of its proper divisors (50505631036).

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

49686364868 is a wasteful number, since it uses less digits than its factorization.

49686364868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352 (or 8350 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 68.

The spelling of 49686364868 in words is "forty-nine billion, six hundred eighty-six million, three hundred sixty-four thousand, eight hundred sixty-eight".