5691844019 has 4 divisors (see below), whose sum is σ = 5700178296. Its totient is φ = 5683509744.

The previous prime is 5691843953. The next prime is 5691844027. The reversal of 5691844019 is 9104481965.

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

It is a cyclic number.

It is not a de Polignac number, because 5691844019 - 2²⁰ = 5690795443 is a prime.

It is a super-2 number, since 2×5691844019² = 64794176673252144722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5691844049) 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, 4166114 + ... + 4167479.

It is an arithmetic number, because the mean of its divisors is an integer number (1425044574).

Almost surely, 2^5691844019 is an apocalyptic number.

5691844019 is a deficient number, since it is larger than the sum of its proper divisors (8334277).

5691844019 is an equidigital number, since it uses as much as digits as its factorization.

5691844019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334276.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 5691844019 is about 75444.3107132672. The cubic root of 5691844019 is about 1785.4635834004.

The spelling of 5691844019 in words is "five billion, six hundred ninety-one million, eight hundred forty-four thousand, nineteen".