3109739008 has 80 divisors (see below), whose sum is σ = 6687891144. Its totient is φ = 1439170560.

The previous prime is 3109738993. The next prime is 3109739021. The reversal of 3109739008 is 8009379013.

It can be written as a sum of positive squares in 4 ways, for example, as 2884978944 + 224760064 = 53712^2 + 14992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528016 + ... + 533872.

Almost surely, 2^3109739008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3109739008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3343945572).

3109739008 is an abundant number, since it is smaller than the sum of its proper divisors (3578152136).

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

3109739008 is an equidigital number, since it uses as much as digits as its factorization.

3109739008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 3109739008 is about 55765.0339191146. The cubic root of 3109739008 is about 1459.6250691722.

The spelling of 3109739008 in words is "three billion, one hundred nine million, seven hundred thirty-nine thousand, eight".