5444636894 has 8 divisors (see below), whose sum is σ = 8321049000. Its totient is φ = 2670953896.

The previous prime is 5444636893. The next prime is 5444636921. The reversal of 5444636894 is 4986364445.

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

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444636893) 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, 25682144 + ... + 25682355.

It is an arithmetic number, because the mean of its divisors is an integer number (1040131125).

Almost surely, 2^5444636894 is an apocalyptic number.

5444636894 is a deficient number, since it is larger than the sum of its proper divisors (2876412106).

5444636894 is a wasteful number, since it uses less digits than its factorization.

5444636894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51364554.

The product of its digits is 9953280, while the sum is 53.

The square root of 5444636894 is about 73787.7828234458. The cubic root of 5444636894 is about 1759.2314238452.

The spelling of 5444636894 in words is "five billion, four hundred forty-four million, six hundred thirty-six thousand, eight hundred ninety-four".