50763720569 has 2 divisors, whose sum is σ = 50763720570. Its totient is φ = 50763720568.

The previous prime is 50763720529. The next prime is 50763720571. The reversal of 50763720569 is 96502736705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27353190544 + 23410530025 = 165388^2 + 153005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50763720569 is a prime.

It is a super-2 number, since 2×50763720569² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 50763720571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50763720529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25381860284 + 25381860285.

It is an arithmetic number, because the mean of its divisors is an integer number (25381860285).

Almost surely, 2^50763720569 is an apocalyptic number.

It is an amenable number.

50763720569 is a deficient number, since it is larger than the sum of its proper divisors (1).

50763720569 is an equidigital number, since it uses as much as digits as its factorization.

50763720569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 50763720569 in words is "fifty billion, seven hundred sixty-three million, seven hundred twenty thousand, five hundred sixty-nine".