6694377982 has 32 divisors (see below), whose sum is σ = 10274340384. Its totient is φ = 3270758400.

The previous prime is 6694377973. The next prime is 6694378013. The reversal of 6694377982 is 2897734966.

It is a self number, because there is not a number n which added to its sum of digits gives 6694377982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6124228 + ... + 6125320.

It is an arithmetic number, because the mean of its divisors is an integer number (321073137).

Almost surely, 2^6694377982 is an apocalyptic number.

6694377982 is a deficient number, since it is larger than the sum of its proper divisors (3579962402).

6694377982 is a wasteful number, since it uses less digits than its factorization.

6694377982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its digits is 27433728, while the sum is 61.

The square root of 6694377982 is about 81819.1785707972. The cubic root of 6694377982 is about 1884.6761875087.

The spelling of 6694377982 in words is "six billion, six hundred ninety-four million, three hundred seventy-seven thousand, nine hundred eighty-two".