50151165569 has 2 divisors, whose sum is σ = 50151165570. Its totient is φ = 50151165568.

The previous prime is 50151165521. The next prime is 50151165577. The reversal of 50151165569 is 96556115105.

50151165569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50147779969 + 3385600 = 223937^2 + 1840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50151165569 is a prime.

It is a super-2 number, since 2×50151165569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50151165769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075582784 + 25075582785.

It is an arithmetic number, because the mean of its divisors is an integer number (25075582785).

Almost surely, 2^50151165569 is an apocalyptic number.

It is an amenable number.

50151165569 is a deficient number, since it is larger than the sum of its proper divisors (1).

50151165569 is an equidigital number, since it uses as much as digits as its factorization.

50151165569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 202500, while the sum is 44.

The spelling of 50151165569 in words is "fifty billion, one hundred fifty-one million, one hundred sixty-five thousand, five hundred sixty-nine".