50767873621 has 2 divisors, whose sum is σ = 50767873622. Its totient is φ = 50767873620.

The previous prime is 50767873613. The next prime is 50767873627. The reversal of 50767873621 is 12637876705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50546280625 + 221592996 = 224825^2 + 14886^2 .

It is a cyclic number.

It is not a de Polignac number, because 50767873621 - 2³ = 50767873613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50767873627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25383936810 + 25383936811.

It is an arithmetic number, because the mean of its divisors is an integer number (25383936811).

Almost surely, 2^50767873621 is an apocalyptic number.

It is an amenable number.

50767873621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50767873621 is an equidigital number, since it uses as much as digits as its factorization.

50767873621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 50767873621 in words is "fifty billion, seven hundred sixty-seven million, eight hundred seventy-three thousand, six hundred twenty-one".