50251356939 has 8 divisors (see below), whose sum is σ = 76573496320. Its totient is φ = 28715061096.

The previous prime is 50251356923. The next prime is 50251356989. The reversal of 50251356939 is 93965315205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50251356939 - 2⁴ = 50251356923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50251356989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196460859 + ... + 1196460900.

It is an arithmetic number, because the mean of its divisors is an integer number (9571687040).

Almost surely, 2^50251356939 is an apocalyptic number.

50251356939 is a deficient number, since it is larger than the sum of its proper divisors (26322139381).

50251356939 is a wasteful number, since it uses less digits than its factorization.

50251356939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392921769.

The product of its (nonzero) digits is 1093500, while the sum is 48.

The spelling of 50251356939 in words is "fifty billion, two hundred fifty-one million, three hundred fifty-six thousand, nine hundred thirty-nine".