5999350865 has 4 divisors (see below), whose sum is σ = 7199221044. Its totient is φ = 4799480688.

The previous prime is 5999350859. The next prime is 5999350891. The reversal of 5999350865 is 5680539995.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4141051201 + 1858299664 = 64351^2 + 43108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5999350865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599935082 + ... + 599935091.

It is an arithmetic number, because the mean of its divisors is an integer number (1799805261).

Almost surely, 2^5999350865 is an apocalyptic number.

It is an amenable number.

5999350865 is a deficient number, since it is larger than the sum of its proper divisors (1199870179).

5999350865 is a wasteful number, since it uses less digits than its factorization.

5999350865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199870178.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The square root of 5999350865 is about 77455.4766624026. The cubic root of 5999350865 is about 1817.0550595479.

The spelling of 5999350865 in words is "five billion, nine hundred ninety-nine million, three hundred fifty thousand, eight hundred sixty-five".