5991444819 has 12 divisors (see below), whose sum is σ = 9109799400. Its totient is φ = 3784070304.

The previous prime is 5991444799. The next prime is 5991444821. The reversal of 5991444819 is 9184441995.

5991444819 is a `hidden beast` number, since 599 + 1 + 4 + 4 + 48 + 1 + 9 = 666.

It is not a de Polignac number, because 5991444819 - 2⁵ = 5991444787 is a prime.

It is a super-2 number, since 2×5991444819² = 71794822038243885522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5991444839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17518674 + ... + 17519015.

It is an arithmetic number, because the mean of its divisors is an integer number (759149950).

Almost surely, 2^5991444819 is an apocalyptic number.

5991444819 is a deficient number, since it is larger than the sum of its proper divisors (3118354581).

5991444819 is a wasteful number, since it uses less digits than its factorization.

5991444819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35037714 (or 35037711 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 5991444819 is about 77404.4237689294. The cubic root of 5991444819 is about 1816.2565267123.

The spelling of 5991444819 in words is "five billion, nine hundred ninety-one million, four hundred forty-four thousand, eight hundred nineteen".