6399424159 has 8 divisors (see below), whose sum is σ = 6678707040. Its totient is φ = 6120228576.

The previous prime is 6399424123. The next prime is 6399424177. The reversal of 6399424159 is 9514249936.

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 6399424159 - 2¹¹ = 6399422111 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 (6399424259) 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, 160477 + ... + 196345.

It is an arithmetic number, because the mean of its divisors is an integer number (834838380).

Almost surely, 2^6399424159 is an apocalyptic number.

6399424159 is a deficient number, since it is larger than the sum of its proper divisors (279282881).

6399424159 is a wasteful number, since it uses less digits than its factorization.

6399424159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43649.

The product of its digits is 2099520, while the sum is 52.

The square root of 6399424159 is about 79996.4009127911. The cubic root of 6399424159 is about 1856.5798480842.

The spelling of 6399424159 in words is "six billion, three hundred ninety-nine million, four hundred twenty-four thousand, one hundred fifty-nine".