64418263 has 16 divisors (see below), whose sum is σ = 79508800. Its totient is φ = 50823936.

The previous prime is 64418231. The next prime is 64418273. The reversal of 64418263 is 36281446.

It is a cyclic number.

It is not a de Polignac number, because 64418263 - 2⁵ = 64418231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64418203) 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, 40813 + ... + 42361.

It is an arithmetic number, because the mean of its divisors is an integer number (4969300).

Almost surely, 2^64418263 is an apocalyptic number.

64418263 is a deficient number, since it is larger than the sum of its proper divisors (15090537).

64418263 is a wasteful number, since it uses less digits than its factorization.

64418263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its digits is 27648, while the sum is 34.

The square root of 64418263 is about 8026.0988655760. The cubic root of 64418263 is about 400.8694898490.

The spelling of 64418263 in words is "sixty-four million, four hundred eighteen thousand, two hundred sixty-three".