64325911577 has 2 divisors, whose sum is σ = 64325911578. Its totient is φ = 64325911576.

The previous prime is 64325911543. The next prime is 64325911579. The reversal of 64325911577 is 77511952346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60840662281 + 3485249296 = 246659^2 + 59036^2 .

It is a cyclic number.

It is not a de Polignac number, because 64325911577 - 2³⁰ = 63252169753 is a prime.

Together with 64325911579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64325911579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32162955788 + 32162955789.

It is an arithmetic number, because the mean of its divisors is an integer number (32162955789).

Almost surely, 2^64325911577 is an apocalyptic number.

It is an amenable number.

64325911577 is a deficient number, since it is larger than the sum of its proper divisors (1).

64325911577 is an equidigital number, since it uses as much as digits as its factorization.

64325911577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 50.

The spelling of 64325911577 in words is "sixty-four billion, three hundred twenty-five million, nine hundred eleven thousand, five hundred seventy-seven".