5439811194 has 12 divisors (see below), whose sum is σ = 11786257626. Its totient is φ = 1813270392.

The previous prime is 5439811183. The next prime is 5439811219. The reversal of 5439811194 is 4911189345.

5439811194 is a `hidden beast` number, since 543 + 9 + 8 + 1 + 11 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4129733169 + 1310078025 = 64263^2 + 36195^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151105849 + ... + 151105884.

Almost surely, 2^5439811194 is an apocalyptic number.

5439811194 is an abundant number, since it is smaller than the sum of its proper divisors (6346446432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5439811194 is a wasteful number, since it uses less digits than its factorization.

5439811194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302211741 (or 302211738 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 5439811194 is about 73755.0757168617. The cubic root of 5439811194 is about 1758.7115218675.

The spelling of 5439811194 in words is "five billion, four hundred thirty-nine million, eight hundred eleven thousand, one hundred ninety-four".