2169043814 has 32 divisors (see below), whose sum is σ = 3796692480. Its totient is φ = 910207872.

The previous prime is 2169043813. The next prime is 2169043841. The reversal of 2169043814 is 4183409612.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169043813) 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, 123047 + ... + 139565.

It is an arithmetic number, because the mean of its divisors is an integer number (118646640).

Almost surely, 2^2169043814 is an apocalyptic number.

2169043814 is a deficient number, since it is larger than the sum of its proper divisors (1627648666).

2169043814 is a wasteful number, since it uses less digits than its factorization.

2169043814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16724.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2169043814 is about 46572.9944710451. The cubic root of 2169043814 is about 1294.4624044276.

The spelling of 2169043814 in words is "two billion, one hundred sixty-nine million, forty-three thousand, eight hundred fourteen".