5644791911 has 8 divisors (see below), whose sum is σ = 6520187664. Its totient is φ = 4829768320.

The previous prime is 5644791899. The next prime is 5644791917. The reversal of 5644791911 is 1191974465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5644791911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644791917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15092840 + ... + 15093213.

It is an arithmetic number, because the mean of its divisors is an integer number (815023458).

Almost surely, 2^5644791911 is an apocalyptic number.

5644791911 is a deficient number, since it is larger than the sum of its proper divisors (875395753).

5644791911 is a wasteful number, since it uses less digits than its factorization.

5644791911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186081.

The product of its digits is 272160, while the sum is 47.

The square root of 5644791911 is about 75131.8302119681. The cubic root of 5644791911 is about 1780.5300688523.

The spelling of 5644791911 in words is "five billion, six hundred forty-four million, seven hundred ninety-one thousand, nine hundred eleven".