4646064066464 has 12 divisors (see below), whose sum is σ = 9146938630914. Its totient is φ = 2323032033216.

The previous prime is 4646064066461. The next prime is 4646064066467. The reversal of 4646064066464 is 4646604606464.

It is an interprime number because it is at equal distance from previous prime (4646064066461) and next prime (4646064066467).

It can be written as a sum of positive squares in only one way, i.e., 4149743816464 + 496320250000 = 2037092^2 + 704500^2 .

It is a super-2 number, since 2×4646064066464² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4646064066461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72594751007 + ... + 72594751070.

Almost surely, 2^{4646064066464} is an apocalyptic number.

It is an amenable number.

4646064066464 is a deficient number, since it is larger than the sum of its proper divisors (4500874564450).

4646064066464 is a wasteful number, since it uses less digits than its factorization.

4646064066464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145189502087 (or 145189502079 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 56.

The spelling of 4646064066464 in words is "four trillion, six hundred forty-six billion, sixty-four million, sixty-six thousand, four hundred sixty-four".