2192434909 has 32 divisors (see below), whose sum is σ = 2673377280. Its totient is φ = 1756302912.

The previous prime is 2192434891. The next prime is 2192434913. The reversal of 2192434909 is 9094342912.

It is a happy number.

It is not a de Polignac number, because 2192434909 - 2¹⁵ = 2192402141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192434949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4948842 + ... + 4949284.

It is an arithmetic number, because the mean of its divisors is an integer number (83543040).

Almost surely, 2^2192434909 is an apocalyptic number.

It is an amenable number.

2192434909 is a deficient number, since it is larger than the sum of its proper divisors (480942371).

2192434909 is a wasteful number, since it uses less digits than its factorization.

2192434909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2192434909 is about 46823.4440104527. Note that the first 3 decimals coincide. The cubic root of 2192434909 is about 1299.0989632049.

The spelling of 2192434909 in words is "two billion, one hundred ninety-two million, four hundred thirty-four thousand, nine hundred nine".