50657721119 has 2 divisors, whose sum is σ = 50657721120. Its totient is φ = 50657721118.

The previous prime is 50657721097. The next prime is 50657721139. The reversal of 50657721119 is 91112775605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50657721119 - 2¹⁶ = 50657655583 is a prime.

It is a super-2 number, since 2×50657721119² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50657721119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50657721139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25328860559 + 25328860560.

It is an arithmetic number, because the mean of its divisors is an integer number (25328860560).

Almost surely, 2^50657721119 is an apocalyptic number.

50657721119 is a deficient number, since it is larger than the sum of its proper divisors (1).

50657721119 is an equidigital number, since it uses as much as digits as its factorization.

50657721119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 44.

The spelling of 50657721119 in words is "fifty billion, six hundred fifty-seven million, seven hundred twenty-one thousand, one hundred nineteen".