6991724982 has 32 divisors (see below), whose sum is σ = 15579247104. Its totient is φ = 2073624800.

The previous prime is 6991724953. The next prime is 6991725001. The reversal of 6991724982 is 2894271996.

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, 1123869 + ... + 1130072.

It is an arithmetic number, because the mean of its divisors is an integer number (486851472).

Almost surely, 2^6991724982 is an apocalyptic number.

6991724982 is an abundant number, since it is smaller than the sum of its proper divisors (8587522122).

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

6991724982 is a wasteful number, since it uses less digits than its factorization.

6991724982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254004.

The product of its digits is 3919104, while the sum is 57.

The square root of 6991724982 is about 83616.5353384126. The cubic root of 6991724982 is about 1912.1770979307.

The spelling of 6991724982 in words is "six billion, nine hundred ninety-one million, seven hundred twenty-four thousand, nine hundred eighty-two".