50642665039 has 2 divisors, whose sum is σ = 50642665040. Its totient is φ = 50642665038.

The previous prime is 50642665033. The next prime is 50642665043. The reversal of 50642665039 is 93056624605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50642665039 - 2⁷ = 50642664911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50642665039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50642665033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321332519 + 25321332520.

It is an arithmetic number, because the mean of its divisors is an integer number (25321332520).

Almost surely, 2^50642665039 is an apocalyptic number.

50642665039 is a deficient number, since it is larger than the sum of its proper divisors (1).

50642665039 is an equidigital number, since it uses as much as digits as its factorization.

50642665039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 50642665039 in words is "fifty billion, six hundred forty-two million, six hundred sixty-five thousand, thirty-nine".