64868413 has 16 divisors (see below), whose sum is σ = 73854720. Its totient is φ = 56595456.

The previous prime is 64868393. The next prime is 64868417. The reversal of 64868413 is 31486846.

It is a cyclic number.

It is not a de Polignac number, because 64868413 - 2²⁵ = 31313981 is a prime.

It is a super-2 number, since 2×64868413² = 8415822010277138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64868417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13045 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (4615920).

Almost surely, 2^64868413 is an apocalyptic number.

It is an amenable number.

64868413 is a deficient number, since it is larger than the sum of its proper divisors (8986307).

64868413 is a wasteful number, since it uses less digits than its factorization.

64868413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356.

The product of its digits is 110592, while the sum is 40.

The square root of 64868413 is about 8054.0929346513. The cubic root of 64868413 is about 401.8010719281.

The spelling of 64868413 in words is "sixty-four million, eight hundred sixty-eight thousand, four hundred thirteen".