650764435913 has 2 divisors, whose sum is σ = 650764435914. Its totient is φ = 650764435912.

The previous prime is 650764435891. The next prime is 650764435931. The reversal of 650764435913 is 319534467056.

Together with next prime (650764435931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490130208649 + 160634227264 = 700093^2 + 400792^2 .

It is a cyclic number.

It is not a de Polignac number, because 650764435913 - 2³⁰ = 649690694089 is a prime.

It is not a weakly prime, because it can be changed into another prime (650764435933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325382217956 + 325382217957.

It is an arithmetic number, because the mean of its divisors is an integer number (325382217957).

Almost surely, 2^650764435913 is an apocalyptic number.

It is an amenable number.

650764435913 is a deficient number, since it is larger than the sum of its proper divisors (1).

650764435913 is an equidigital number, since it uses as much as digits as its factorization.

650764435913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 650764435913 in words is "six hundred fifty billion, seven hundred sixty-four million, four hundred thirty-five thousand, nine hundred thirteen".