64635162413 has 2 divisors, whose sum is σ = 64635162414. Its totient is φ = 64635162412.

The previous prime is 64635162391. The next prime is 64635162437. The reversal of 64635162413 is 31426153646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63349366249 + 1285796164 = 251693^2 + 35858^2 .

It is a cyclic number.

It is not a de Polignac number, because 64635162413 - 2³⁰ = 63561420589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64635161413) 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, 32317581206 + 32317581207.

It is an arithmetic number, because the mean of its divisors is an integer number (32317581207).

Almost surely, 2^64635162413 is an apocalyptic number.

It is an amenable number.

64635162413 is a deficient number, since it is larger than the sum of its proper divisors (1).

64635162413 is an equidigital number, since it uses as much as digits as its factorization.

64635162413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 64635162413 in words is "sixty-four billion, six hundred thirty-five million, one hundred sixty-two thousand, four hundred thirteen".