50591489719 has 2 divisors, whose sum is σ = 50591489720. Its totient is φ = 50591489718.

The previous prime is 50591489717. The next prime is 50591489731. The reversal of 50591489719 is 91798419505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50591489719 - 2¹ = 50591489717 is a prime.

It is a super-2 number, since 2×50591489719² (a number of 22 digits) contains 22 as substring.

Together with 50591489717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50591489717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25295744859 + 25295744860.

It is an arithmetic number, because the mean of its divisors is an integer number (25295744860).

Almost surely, 2^50591489719 is an apocalyptic number.

50591489719 is a deficient number, since it is larger than the sum of its proper divisors (1).

50591489719 is an equidigital number, since it uses as much as digits as its factorization.

50591489719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 58.

The spelling of 50591489719 in words is "fifty billion, five hundred ninety-one million, four hundred eighty-nine thousand, seven hundred nineteen".