49969598772 has 24 divisors (see below), whose sum is σ = 117685413216. Its totient is φ = 16500863968.

The previous prime is 49969598759. The next prime is 49969598831. The reversal of 49969598772 is 27789596994.

It is a junction number, because it is equal to n+sod(n) for n = 49969598694 and 49969598703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19457283 + ... + 19459850.

It is an arithmetic number, because the mean of its divisors is an integer number (4903558884).

Almost surely, 2^49969598772 is an apocalyptic number.

It is an amenable number.

49969598772 is an abundant number, since it is smaller than the sum of its proper divisors (67715814444).

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

49969598772 is a wasteful number, since it uses less digits than its factorization.

49969598772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38917247 (or 38917245 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 75.

The spelling of 49969598772 in words is "forty-nine billion, nine hundred sixty-nine million, five hundred ninety-eight thousand, seven hundred seventy-two".