5205043999 has 8 divisors (see below), whose sum is σ = 5316822720. Its totient is φ = 5093308416.

The previous prime is 5205043993. The next prime is 5205044011. The reversal of 5205043999 is 9993405025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5205043999 - 2⁵ = 5205043967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205043993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393607 + ... + 406615.

It is an arithmetic number, because the mean of its divisors is an integer number (664602840).

Almost surely, 2^5205043999 is an apocalyptic number.

5205043999 is a deficient number, since it is larger than the sum of its proper divisors (111778721).

5205043999 is a wasteful number, since it uses less digits than its factorization.

5205043999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21569.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 5205043999 is about 72145.9908726743. The cubic root of 5205043999 is about 1733.0381975022.

The spelling of 5205043999 in words is "five billion, two hundred five million, forty-three thousand, nine hundred ninety-nine".