5944393021 has 4 divisors (see below), whose sum is σ = 6793592032. Its totient is φ = 5095194012.

The previous prime is 5944392997. The next prime is 5944393061. The reversal of 5944393021 is 1203934495.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1203934495 = 5 ⋅240786899.

It is a cyclic number.

It is not a de Polignac number, because 5944393021 - 2⁷ = 5944392893 is a prime.

It is a super-2 number, since 2×5944393021² = 70671616776227012882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5944393061) 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, 424599495 + ... + 424599508.

It is an arithmetic number, because the mean of its divisors is an integer number (1698398008).

Almost surely, 2^5944393021 is an apocalyptic number.

It is an amenable number.

5944393021 is a deficient number, since it is larger than the sum of its proper divisors (849199011).

5944393021 is an equidigital number, since it uses as much as digits as its factorization.

5944393021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849199010.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 5944393021 is about 77099.8898896749. The cubic root of 5944393021 is about 1811.4895729131.

The spelling of 5944393021 in words is "five billion, nine hundred forty-four million, three hundred ninety-three thousand, twenty-one".