5999203644 has 48 divisors (see below), whose sum is σ = 16938931968. Its totient is φ = 1613230848.

The previous prime is 5999203631. The next prime is 5999203667. The reversal of 5999203644 is 4463029995.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099134 + ... + 2101989.

It is an arithmetic number, because the mean of its divisors is an integer number (352894416).

Almost surely, 2^5999203644 is an apocalyptic number.

It is an amenable number.

5999203644 is an abundant number, since it is smaller than the sum of its proper divisors (10939728324).

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

5999203644 is a wasteful number, since it uses less digits than its factorization.

5999203644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201154 (or 4201152 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 5999203644 is about 77454.5262976929. The cubic root of 5999203644 is about 1817.0401962259.

The spelling of 5999203644 in words is "five billion, nine hundred ninety-nine million, two hundred three thousand, six hundred forty-four".