2109095736 has 128 divisors (see below), whose sum is σ = 5885187840. Its totient is φ = 624512000.

The previous prime is 2109095717. The next prime is 2109095749. The reversal of 2109095736 is 6375909012.

It is a super-2 number, since 2×2109095736² = 8896569647226763392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2212636 + ... + 2213588.

It is an arithmetic number, because the mean of its divisors is an integer number (45978030).

Almost surely, 2^2109095736 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 2109095736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2942593920).

2109095736 is an abundant number, since it is smaller than the sum of its proper divisors (3776092104).

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

2109095736 is a wasteful number, since it uses less digits than its factorization.

2109095736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 2109095736 is about 45924.8923352031. The cubic root of 2109095736 is about 1282.4253608018.

The spelling of 2109095736 in words is "two billion, one hundred nine million, ninety-five thousand, seven hundred thirty-six".