50108972369 has 2 divisors, whose sum is σ = 50108972370. Its totient is φ = 50108972368.

The previous prime is 50108972363. The next prime is 50108972393. The reversal of 50108972369 is 96327980105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44799955600 + 5309016769 = 211660^2 + 72863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50108972369 is a prime.

It is a super-2 number, since 2×50108972369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50108972363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25054486184 + 25054486185.

It is an arithmetic number, because the mean of its divisors is an integer number (25054486185).

Almost surely, 2^50108972369 is an apocalyptic number.

It is an amenable number.

50108972369 is a deficient number, since it is larger than the sum of its proper divisors (1).

50108972369 is an equidigital number, since it uses as much as digits as its factorization.

50108972369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 50108972369 in words is "fifty billion, one hundred eight million, nine hundred seventy-two thousand, three hundred sixty-nine".