50816039321 has 2 divisors, whose sum is σ = 50816039322. Its totient is φ = 50816039320.

The previous prime is 50816039251. The next prime is 50816039327. The reversal of 50816039321 is 12393061805.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45941206921 + 4874832400 = 214339^2 + 69820^2 .

It is a cyclic number.

It is not a de Polignac number, because 50816039321 - 2²⁶ = 50748930457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50816039327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408019660 + 25408019661.

It is an arithmetic number, because the mean of its divisors is an integer number (25408019661).

Almost surely, 2^50816039321 is an apocalyptic number.

It is an amenable number.

50816039321 is a deficient number, since it is larger than the sum of its proper divisors (1).

50816039321 is an equidigital number, since it uses as much as digits as its factorization.

50816039321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 50816039321 in words is "fifty billion, eight hundred sixteen million, thirty-nine thousand, three hundred twenty-one".