650577749117 has 2 divisors, whose sum is σ = 650577749118. Its totient is φ = 650577749116.

The previous prime is 650577749051. The next prime is 650577749141. The reversal of 650577749117 is 711947775056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535698103396 + 114879645721 = 731914^2 + 338939^2 .

It is a cyclic number.

It is not a de Polignac number, because 650577749117 - 2³⁰ = 649504007293 is a prime.

It is a super-2 number, since 2×650577749117² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650577749177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325288874558 + 325288874559.

It is an arithmetic number, because the mean of its divisors is an integer number (325288874559).

Almost surely, 2^650577749117 is an apocalyptic number.

It is an amenable number.

650577749117 is a deficient number, since it is larger than the sum of its proper divisors (1).

650577749117 is an equidigital number, since it uses as much as digits as its factorization.

650577749117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12965400, while the sum is 59.

The spelling of 650577749117 in words is "six hundred fifty billion, five hundred seventy-seven million, seven hundred forty-nine thousand, one hundred seventeen".