64466564703413 has 8 divisors (see below), whose sum is σ = 65133502226520. Its totient is φ = 63799674808320.

The previous prime is 64466564703403. The next prime is 64466564703469. The reversal of 64466564703413 is 31430746566446.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66212553124 + 64400352150289 = 257318^2 + 8024983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64466564703413 - 2⁸ = 64466564703157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466564703403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9182708 + ... + 14603261.

It is an arithmetic number, because the mean of its divisors is an integer number (8141687778315).

Almost surely, 2^{64466564703413} is an apocalyptic number.

It is an amenable number.

64466564703413 is a deficient number, since it is larger than the sum of its proper divisors (666937523107).

64466564703413 is a wasteful number, since it uses less digits than its factorization.

64466564703413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23814007.

The product of its (nonzero) digits is 104509440, while the sum is 59.

The spelling of 64466564703413 in words is "sixty-four trillion, four hundred sixty-six billion, five hundred sixty-four million, seven hundred three thousand, four hundred thirteen".