6394673928 has 16 divisors (see below), whose sum is σ = 15986684880. Its totient is φ = 2131557968.

The previous prime is 6394673891. The next prime is 6394673933. The reversal of 6394673928 is 8293764936.

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, 133222350 + ... + 133222397.

It is an arithmetic number, because the mean of its divisors is an integer number (999167805).

Almost surely, 2^6394673928 is an apocalyptic number.

It is an amenable number.

6394673928 is an abundant number, since it is smaller than the sum of its proper divisors (9592010952).

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

6394673928 is a wasteful number, since it uses less digits than its factorization.

6394673928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266444756 (or 266444752 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 57.

The square root of 6394673928 is about 79966.7051215692. The cubic root of 6394673928 is about 1856.1203605866.

The spelling of 6394673928 in words is "six billion, three hundred ninety-four million, six hundred seventy-three thousand, nine hundred twenty-eight".