6404123316 has 48 divisors (see below), whose sum is σ = 15031217600. Its totient is φ = 2122129152.

The previous prime is 6404123309. The next prime is 6404123333. The reversal of 6404123316 is 6133214046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359176 + ... + 2361888.

Almost surely, 2^6404123316 is an apocalyptic number.

It is an amenable number.

6404123316 is an abundant number, since it is smaller than the sum of its proper divisors (8627094284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6404123316 is a wasteful number, since it uses less digits than its factorization.

6404123316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6404123316 is about 80025.7665755224. The cubic root of 6404123316 is about 1857.0341715454.

The spelling of 6404123316 in words is "six billion, four hundred four million, one hundred twenty-three thousand, three hundred sixteen".