50279548391 has 2 divisors, whose sum is σ = 50279548392. Its totient is φ = 50279548390.

The previous prime is 50279548387. The next prime is 50279548453. The reversal of 50279548391 is 19384597205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50279548391 - 2² = 50279548387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50279548331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139774195 + 25139774196.

It is an arithmetic number, because the mean of its divisors is an integer number (25139774196).

Almost surely, 2^50279548391 is an apocalyptic number.

50279548391 is a deficient number, since it is larger than the sum of its proper divisors (1).

50279548391 is an equidigital number, since it uses as much as digits as its factorization.

50279548391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 50279548391 in words is "fifty billion, two hundred seventy-nine million, five hundred forty-eight thousand, three hundred ninety-one".