6984874431 has 32 divisors (see below), whose sum is σ = 10965931200. Its totient is φ = 4386332160.

The previous prime is 6984874417. The next prime is 6984874433. The reversal of 6984874431 is 1344784896.

6984874431 is a `hidden beast` number, since 6 + 98 + 487 + 44 + 31 = 666.

It is not a de Polignac number, because 6984874431 - 2⁹ = 6984873919 is a prime.

It is a super-2 number, since 2×6984874431² = 97576941633675147522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984874433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76686 + ... + 140891.

It is an arithmetic number, because the mean of its divisors is an integer number (342685350).

Almost surely, 2^6984874431 is an apocalyptic number.

6984874431 is a deficient number, since it is larger than the sum of its proper divisors (3981056769).

6984874431 is a wasteful number, since it uses less digits than its factorization.

6984874431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217656 (or 217650 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 6984874431 is about 83575.5612066111. The cubic root of 6984874431 is about 1911.5523714425.

The spelling of 6984874431 in words is "six billion, nine hundred eighty-four million, eight hundred seventy-four thousand, four hundred thirty-one".