6989744370 has 192 divisors, whose sum is σ = 20218657536. Its totient is φ = 1514004480.

The previous prime is 6989744369. The next prime is 6989744371. The reversal of 6989744370 is 734479896.

It is an interprime number because it is at equal distance from previous prime (6989744369) and next prime (6989744371).

It is a self number, because there is not a number n which added to its sum of digits gives 6989744370.

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 95 ways as a sum of consecutive naturals, for example, 11786794 + ... + 11787386.

It is an arithmetic number, because the mean of its divisors is an integer number (105305508).

Almost surely, 2^6989744370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6989744370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10109328768).

6989744370 is an abundant number, since it is smaller than the sum of its proper divisors (13228913166).

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

6989744370 is a wasteful number, since it uses less digits than its factorization.

6989744370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The square root of 6989744370 is about 83604.6910765179. The cubic root of 6989744370 is about 1911.9965207201.

The spelling of 6989744370 in words is "six billion, nine hundred eighty-nine million, seven hundred forty-four thousand, three hundred seventy".