50386836691 has 2 divisors, whose sum is σ = 50386836692. Its totient is φ = 50386836690.

The previous prime is 50386836659. The next prime is 50386836739. The reversal of 50386836691 is 19663868305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50386836691 - 2⁵ = 50386836659 is a prime.

It is not a weakly prime, because it can be changed into another prime (50386836601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25193418345 + 25193418346.

It is an arithmetic number, because the mean of its divisors is an integer number (25193418346).

Almost surely, 2^50386836691 is an apocalyptic number.

50386836691 is a deficient number, since it is larger than the sum of its proper divisors (1).

50386836691 is an equidigital number, since it uses as much as digits as its factorization.

50386836691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 50386836691 in words is "fifty billion, three hundred eighty-six million, eight hundred thirty-six thousand, six hundred ninety-one".