49179621798 has 64 divisors (see below), whose sum is σ = 114084633600. Its totient is φ = 15674281920.

The previous prime is 49179621787. The next prime is 49179621857. The reversal of 49179621798 is 89712697194.

49179621798 is a `hidden beast` number, since 491 + 79 + 6 + 2 + 1 + 79 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3957018 + ... + 3969426.

It is an arithmetic number, because the mean of its divisors is an integer number (1782572400).

Almost surely, 2^49179621798 is an apocalyptic number.

49179621798 is an abundant number, since it is smaller than the sum of its proper divisors (64905011802).

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

49179621798 is a wasteful number, since it uses less digits than its factorization.

49179621798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15634 (or 15628 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The spelling of 49179621798 in words is "forty-nine billion, one hundred seventy-nine million, six hundred twenty-one thousand, seven hundred ninety-eight".