50012021239 has 2 divisors, whose sum is σ = 50012021240. Its totient is φ = 50012021238.

The previous prime is 50012021233. The next prime is 50012021249. The reversal of 50012021239 is 93212021005.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50012021239 - 2³ = 50012021231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50012021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25006010619 + 25006010620.

It is an arithmetic number, because the mean of its divisors is an integer number (25006010620).

Almost surely, 2^50012021239 is an apocalyptic number.

50012021239 is a deficient number, since it is larger than the sum of its proper divisors (1).

50012021239 is an equidigital number, since it uses as much as digits as its factorization.

50012021239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 50012021239 in words is "fifty billion, twelve million, twenty-one thousand, two hundred thirty-nine".