50126496569 has 2 divisors, whose sum is σ = 50126496570. Its totient is φ = 50126496568.

The previous prime is 50126496551. The next prime is 50126496611. The reversal of 50126496569 is 96569462105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37713640000 + 12412856569 = 194200^2 + 111413^2 .

It is a cyclic number.

It is not a de Polignac number, because 50126496569 - 2³² = 45831529273 is a prime.

It is a super-2 number, since 2×50126496569² (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 50126496569.

It is not a weakly prime, because it can be changed into another prime (50128496569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25063248284 + 25063248285.

It is an arithmetic number, because the mean of its divisors is an integer number (25063248285).

Almost surely, 2^50126496569 is an apocalyptic number.

It is an amenable number.

50126496569 is a deficient number, since it is larger than the sum of its proper divisors (1).

50126496569 is an equidigital number, since it uses as much as digits as its factorization.

50126496569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 50126496569 in words is "fifty billion, one hundred twenty-six million, four hundred ninety-six thousand, five hundred sixty-nine".