64312363 has 4 divisors (see below), whose sum is σ = 64425960. Its totient is φ = 64198768.

The previous prime is 64312357. The next prime is 64312421. The reversal of 64312363 is 36321346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64312363 - 2²⁵ = 30757931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64312063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55945 + ... + 57082.

It is an arithmetic number, because the mean of its divisors is an integer number (16106490).

Almost surely, 2^64312363 is an apocalyptic number.

64312363 is a deficient number, since it is larger than the sum of its proper divisors (113597).

64312363 is a wasteful number, since it uses less digits than its factorization.

64312363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113596.

The product of its digits is 7776, while the sum is 28.

The square root of 64312363 is about 8019.4989244965. The cubic root of 64312363 is about 400.6497004021.

The spelling of 64312363 in words is "sixty-four million, three hundred twelve thousand, three hundred sixty-three".