50190192391 has 2 divisors, whose sum is σ = 50190192392. Its totient is φ = 50190192390.

The previous prime is 50190192343. The next prime is 50190192397. The reversal of 50190192391 is 19329109105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50190192391 - 2⁷ = 50190192263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50190192397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25095096195 + 25095096196.

It is an arithmetic number, because the mean of its divisors is an integer number (25095096196).

Almost surely, 2^50190192391 is an apocalyptic number.

50190192391 is a deficient number, since it is larger than the sum of its proper divisors (1).

50190192391 is an equidigital number, since it uses as much as digits as its factorization.

50190192391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 40.

The spelling of 50190192391 in words is "fifty billion, one hundred ninety million, one hundred ninety-two thousand, three hundred ninety-one".