6989744372 has 48 divisors (see below), whose sum is σ = 13659287040. Its totient is φ = 3107465088.

The previous prime is 6989744371. The next prime is 6989744389. The reversal of 6989744372 is 2734479896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989744371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662813 + ... + 673275.

It is an arithmetic number, because the mean of its divisors is an integer number (284568480).

Almost surely, 2^6989744372 is an apocalyptic number.

It is an amenable number.

6989744372 is a deficient number, since it is larger than the sum of its proper divisors (6669542668).

6989744372 is a wasteful number, since it uses less digits than its factorization.

6989744372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952 (or 10950 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The square root of 6989744372 is about 83604.6910884790. The cubic root of 6989744372 is about 1911.9965209025.

The spelling of 6989744372 in words is "six billion, nine hundred eighty-nine million, seven hundred forty-four thousand, three hundred seventy-two".