6404564830 has 8 divisors (see below), whose sum is σ = 11528216712. Its totient is φ = 2561825928.

The previous prime is 6404564813. The next prime is 6404564879. The reversal of 6404564830 is 384654046.

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

It is a congruent 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, 320228232 + ... + 320228251.

It is an arithmetic number, because the mean of its divisors is an integer number (1441027089).

Almost surely, 2^6404564830 is an apocalyptic number.

6404564830 is a deficient number, since it is larger than the sum of its proper divisors (5123651882).

6404564830 is a wasteful number, since it uses less digits than its factorization.

6404564830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640456490.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 6404564830 is about 80028.5251019910. The cubic root of 6404564830 is about 1857.0768465379.

The spelling of 6404564830 in words is "six billion, four hundred four million, five hundred sixty-four thousand, eight hundred thirty".