2126968790 has 16 divisors (see below), whose sum is σ = 3874672368. Its totient is φ = 840536736.

The previous prime is 2126968783. The next prime is 2126968817. The reversal of 2126968790 is 978696212.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 1280477 + ... + 1282136.

It is an arithmetic number, because the mean of its divisors is an integer number (242167023).

Almost surely, 2^2126968790 is an apocalyptic number.

2126968790 is a deficient number, since it is larger than the sum of its proper divisors (1747703578).

2126968790 is a wasteful number, since it uses less digits than its factorization.

2126968790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562703.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 2126968790 is about 46119.0718683713. The cubic root of 2126968790 is about 1286.0377169678.

The spelling of 2126968790 in words is "two billion, one hundred twenty-six million, nine hundred sixty-eight thousand, seven hundred ninety".