50816039137 has 2 divisors, whose sum is σ = 50816039138. Its totient is φ = 50816039136.

The previous prime is 50816039117. The next prime is 50816039171. The reversal of 50816039137 is 73193061805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42369693921 + 8446345216 = 205839^2 + 91904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50816039137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50816039093 and 50816039102.

It is not a weakly prime, because it can be changed into another prime (50816039117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408019568 + 25408019569.

It is an arithmetic number, because the mean of its divisors is an integer number (25408019569).

Almost surely, 2^50816039137 is an apocalyptic number.

It is an amenable number.

50816039137 is a deficient number, since it is larger than the sum of its proper divisors (1).

50816039137 is an equidigital number, since it uses as much as digits as its factorization.

50816039137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 50816039137 in words is "fifty billion, eight hundred sixteen million, thirty-nine thousand, one hundred thirty-seven".