5644643315 has 4 divisors (see below), whose sum is σ = 6773571984. Its totient is φ = 4515714648.

The previous prime is 5644643309. The next prime is 5644643363. The reversal of 5644643315 is 5133464465.

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 5644643315 - 2¹⁴ = 5644626931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564464327 + ... + 564464336.

It is an arithmetic number, because the mean of its divisors is an integer number (1693392996).

Almost surely, 2^5644643315 is an apocalyptic number.

5644643315 is a deficient number, since it is larger than the sum of its proper divisors (1128928669).

5644643315 is a wasteful number, since it uses less digits than its factorization.

5644643315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128928668.

The product of its digits is 518400, while the sum is 41.

The square root of 5644643315 is about 75130.8413036883. The cubic root of 5644643315 is about 1780.5144448948.

The spelling of 5644643315 in words is "five billion, six hundred forty-four million, six hundred forty-three thousand, three hundred fifteen".