6981783372 has 18 divisors (see below), whose sum is σ = 17648396948. Its totient is φ = 2327261112.

The previous prime is 6981783337. The next prime is 6981783383. The reversal of 6981783372 is 2733871896.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96969178 + ... + 96969249.

Almost surely, 2^6981783372 is an apocalyptic number.

It is an amenable number.

6981783372 is an abundant number, since it is smaller than the sum of its proper divisors (10666613576).

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

6981783372 is a wasteful number, since it uses less digits than its factorization.

6981783372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193938437 (or 193938432 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 6981783372 is about 83557.0665593282. The cubic root of 6981783372 is about 1911.2703528683.

The spelling of 6981783372 in words is "six billion, nine hundred eighty-one million, seven hundred eighty-three thousand, three hundred seventy-two".