2109965360 has 40 divisors (see below), whose sum is σ = 5010054336. Its totient is φ = 826027520.

The previous prime is 2109965357. The next prime is 2109965381. The reversal of 2109965360 is 635699012.

It is a tau number, because it is divible by the number of its divisors (40).

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, 276821 + ... + 284340.

Almost surely, 2^2109965360 is an apocalyptic number.

2109965360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109965360 is an abundant number, since it is smaller than the sum of its proper divisors (2900088976).

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

2109965360 is a wasteful number, since it uses less digits than its factorization.

2109965360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561221 (or 561215 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 2109965360 is about 45934.3592531778. The cubic root of 2109965360 is about 1282.6015934578.

The spelling of 2109965360 in words is "two billion, one hundred nine million, nine hundred sixty-five thousand, three hundred sixty".