2144664412 has 24 divisors (see below), whose sum is σ = 4097237760. Its totient is φ = 974162160.

The previous prime is 2144664409. The next prime is 2144664421.

2144664412 is nontrivially palindromic in base 10.

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, 49039 + ... + 81817.

It is an arithmetic number, because the mean of its divisors is an integer number (170718240).

Almost surely, 2^2144664412 is an apocalyptic number.

2144664412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2144664412 is a deficient number, since it is larger than the sum of its proper divisors (1952573348).

2144664412 is a wasteful number, since it uses less digits than its factorization.

2144664412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34281 (or 34279 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 2144664412 is about 46310.5216122643. The cubic root of 2144664412 is about 1289.5943303065.

It can be divided in two parts, 21446 and 64412, that added together give a palindrome (85858).

The spelling of 2144664412 in words is "two billion, one hundred forty-four million, six hundred sixty-four thousand, four hundred twelve".