50613872539 has 2 divisors, whose sum is σ = 50613872540. Its totient is φ = 50613872538.

The previous prime is 50613872479. The next prime is 50613872609. The reversal of 50613872539 is 93527831605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50613872539 - 2¹⁷ = 50613741467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50613872492 and 50613872501.

It is not a weakly prime, because it can be changed into another prime (50613872039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25306936269 + 25306936270.

It is an arithmetic number, because the mean of its divisors is an integer number (25306936270).

Almost surely, 2^50613872539 is an apocalyptic number.

50613872539 is a deficient number, since it is larger than the sum of its proper divisors (1).

50613872539 is an equidigital number, since it uses as much as digits as its factorization.

50613872539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 50613872539 in words is "fifty billion, six hundred thirteen million, eight hundred seventy-two thousand, five hundred thirty-nine".