50044127909 has 2 divisors, whose sum is σ = 50044127910. Its totient is φ = 50044127908.

The previous prime is 50044127843. The next prime is 50044127923. The reversal of 50044127909 is 90972144005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43401388900 + 6642739009 = 208330^2 + 81503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50044127909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50044127209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25022063954 + 25022063955.

It is an arithmetic number, because the mean of its divisors is an integer number (25022063955).

Almost surely, 2^50044127909 is an apocalyptic number.

It is an amenable number.

50044127909 is a deficient number, since it is larger than the sum of its proper divisors (1).

50044127909 is an equidigital number, since it uses as much as digits as its factorization.

50044127909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 50044127909 in words is "fifty billion, forty-four million, one hundred twenty-seven thousand, nine hundred nine".