50748263691 has 16 divisors (see below), whose sum is σ = 67979568000. Its totient is φ = 33674643648.

The previous prime is 50748263663. The next prime is 50748263701. The reversal of 50748263691 is 19636284705.

It is not a de Polignac number, because 50748263691 - 2⁷ = 50748263563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50748263191) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3867660 + ... + 3880758.

It is an arithmetic number, because the mean of its divisors is an integer number (4248723000).

It is a 2-persistent number, because it is pandigital, and so is 2⋅50748263691 = 101496527382, but 3⋅50748263691 = 152244791073 is not.

Almost surely, 2^50748263691 is an apocalyptic number.

50748263691 is a deficient number, since it is larger than the sum of its proper divisors (17231304309).

50748263691 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (50748263690) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (19018).

50748263691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 50748263691 in words is "fifty billion, seven hundred forty-eight million, two hundred sixty-three thousand, six hundred ninety-one".