5644893658 has 8 divisors (see below), whose sum is σ = 8467770528. Its totient is φ = 2822303484.

The previous prime is 5644893649. The next prime is 5644893689. The reversal of 5644893658 is 8563984465.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12766 + ... + 107017.

It is an arithmetic number, because the mean of its divisors is an integer number (1058471316).

Almost surely, 2^5644893658 is an apocalyptic number.

5644893658 is a deficient number, since it is larger than the sum of its proper divisors (2822876870).

5644893658 is a wasteful number, since it uses less digits than its factorization.

5644893658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143348.

The product of its digits is 24883200, while the sum is 58.

The square root of 5644893658 is about 75132.5073320464. The cubic root of 5644893658 is about 1780.5407667669.

The spelling of 5644893658 in words is "five billion, six hundred forty-four million, eight hundred ninety-three thousand, six hundred fifty-eight".