6404391804179 has 8 divisors (see below), whose sum is σ = 6688408049952. Its totient is φ = 6120839260800.

The previous prime is 6404391804163. The next prime is 6404391804227. The reversal of 6404391804179 is 9714081934046.

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 6404391804179 - 2⁴ = 6404391804163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6404391804149) 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, 115897364 + ... + 115952609.

It is an arithmetic number, because the mean of its divisors is an integer number (836051006244).

Almost surely, 2^{6404391804179} is an apocalyptic number.

6404391804179 is a deficient number, since it is larger than the sum of its proper divisors (284016245773).

6404391804179 is a wasteful number, since it uses less digits than its factorization.

6404391804179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231851197.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 6404391804179 in words is "six trillion, four hundred four billion, three hundred ninety-one million, eight hundred four thousand, one hundred seventy-nine".