2112710509 has 24 divisors (see below), whose sum is σ = 2680258560. Its totient is φ = 1650396384.

The previous prime is 2112710477. The next prime is 2112710549. The reversal of 2112710509 is 9050172112.

It is not a de Polignac number, because 2112710509 - 2⁵ = 2112710477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112710549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29332 + ... + 71314.

It is an arithmetic number, because the mean of its divisors is an integer number (111677440).

Almost surely, 2^2112710509 is an apocalyptic number.

It is an amenable number.

2112710509 is a deficient number, since it is larger than the sum of its proper divisors (567548051).

2112710509 is a wasteful number, since it uses less digits than its factorization.

2112710509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42089 (or 42082 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 2112710509 is about 45964.2307560999. The cubic root of 2112710509 is about 1283.1575909943.

The spelling of 2112710509 in words is "two billion, one hundred twelve million, seven hundred ten thousand, five hundred nine".