64324033517 has 2 divisors, whose sum is σ = 64324033518. Its totient is φ = 64324033516.

The previous prime is 64324033481. The next prime is 64324033523. The reversal of 64324033517 is 71533042346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37158730756 + 27165302761 = 192766^2 + 164819^2 .

It is a cyclic number.

It is not a de Polignac number, because 64324033517 - 2⁶ = 64324033453 is a prime.

It is a super-2 number, since 2×64324033517² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64324033537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32162016758 + 32162016759.

It is an arithmetic number, because the mean of its divisors is an integer number (32162016759).

Almost surely, 2^64324033517 is an apocalyptic number.

It is an amenable number.

64324033517 is a deficient number, since it is larger than the sum of its proper divisors (1).

64324033517 is an equidigital number, since it uses as much as digits as its factorization.

64324033517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 64324033517 in words is "sixty-four billion, three hundred twenty-four million, thirty-three thousand, five hundred seventeen".