6894321312 has 48 divisors (see below), whose sum is σ = 18101869632. Its totient is φ = 2297564160.

The previous prime is 6894321311. The next prime is 6894321319. The reversal of 6894321312 is 2131234986.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (6894321311) 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, 771333 + ... + 780219.

It is an arithmetic number, because the mean of its divisors is an integer number (377122284).

Almost surely, 2^6894321312 is an apocalyptic number.

It is an amenable number.

6894321312 is an abundant number, since it is smaller than the sum of its proper divisors (11207548320).

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

6894321312 is a wasteful number, since it uses less digits than its factorization.

6894321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16981 (or 16973 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 6894321312 is about 83032.0499084540. The cubic root of 6894321312 is about 1903.2558498894.

The spelling of 6894321312 in words is "six billion, eight hundred ninety-four million, three hundred twenty-one thousand, three hundred twelve".