2169289923 has 16 divisors (see below), whose sum is σ = 2909761536. Its totient is φ = 1437528960.

The previous prime is 2169289897. The next prime is 2169289961. The reversal of 2169289923 is 3299829612.

It is a happy number.

It is not a de Polignac number, because 2169289923 - 2²¹ = 2167192771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2169289963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436390 + ... + 441332.

It is an arithmetic number, because the mean of its divisors is an integer number (181860096).

Almost surely, 2^2169289923 is an apocalyptic number.

2169289923 is a deficient number, since it is larger than the sum of its proper divisors (740471613).

2169289923 is a wasteful number, since it uses less digits than its factorization.

2169289923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794.

The product of its digits is 839808, while the sum is 51.

The square root of 2169289923 is about 46575.6365818010. The cubic root of 2169289923 is about 1294.5113609920.

The spelling of 2169289923 in words is "two billion, one hundred sixty-nine million, two hundred eighty-nine thousand, nine hundred twenty-three".