6409323359 has 4 divisors (see below), whose sum is σ = 6687989616. Its totient is φ = 6130657104.

The previous prime is 6409323343. The next prime is 6409323373. The reversal of 6409323359 is 9533239046.

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

It is a cyclic number.

It is not a de Polignac number, because 6409323359 - 2⁴ = 6409323343 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 (6409323659) 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, 139333094 + ... + 139333139.

It is an arithmetic number, because the mean of its divisors is an integer number (1671997404).

Almost surely, 2^6409323359 is an apocalyptic number.

6409323359 is a deficient number, since it is larger than the sum of its proper divisors (278666257).

6409323359 is a wasteful number, since it uses less digits than its factorization.

6409323359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278666256.

The product of its (nonzero) digits is 524880, while the sum is 44.

The square root of 6409323359 is about 80058.2497872643. The cubic root of 6409323359 is about 1857.5366626523.

The spelling of 6409323359 in words is "six billion, four hundred nine million, three hundred twenty-three thousand, three hundred fifty-nine".