50312586139 has 2 divisors, whose sum is σ = 50312586140. Its totient is φ = 50312586138.

The previous prime is 50312586101. The next prime is 50312586143. The reversal of 50312586139 is 93168521305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50312586139 - 2¹⁹ = 50312061851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50312586095 and 50312586104.

It is not a weakly prime, because it can be changed into another prime (50312586239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25156293069 + 25156293070.

It is an arithmetic number, because the mean of its divisors is an integer number (25156293070).

Almost surely, 2^50312586139 is an apocalyptic number.

50312586139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50312586139 is an equidigital number, since it uses as much as digits as its factorization.

50312586139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 50312586139 in words is "fifty billion, three hundred twelve million, five hundred eighty-six thousand, one hundred thirty-nine".