5618944988794 has 4 divisors (see below), whose sum is σ = 8428417483194. Its totient is φ = 2809472494396.

The previous prime is 5618944988737. The next prime is 5618944988809. The reversal of 5618944988794 is 4978894498165.

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

It can be written as a sum of positive squares in only one way, i.e., 4623166524025 + 995778464769 = 2150155^2 + 997887^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404736247197 + ... + 1404736247200.

Almost surely, 2^{5618944988794} is an apocalyptic number.

5618944988794 is a deficient number, since it is larger than the sum of its proper divisors (2809472494400).

5618944988794 is a wasteful number, since it uses less digits than its factorization.

5618944988794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809472494399.

The product of its digits is 5016453120, while the sum is 82.

The spelling of 5618944988794 in words is "five trillion, six hundred eighteen billion, nine hundred forty-four million, nine hundred eighty-eight thousand, seven hundred ninety-four".