2144039999 has 32 divisors (see below), whose sum is σ = 2310716160. Its totient is φ = 1986640128.

The previous prime is 2144039987. The next prime is 2144040023. The reversal of 2144039999 is 9999304412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144039999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144039929) 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, 15649859 + ... + 15649995.

It is an arithmetic number, because the mean of its divisors is an integer number (72209880).

Almost surely, 2^2144039999 is an apocalyptic number.

2144039999 is a deficient number, since it is larger than the sum of its proper divisors (166676161).

2144039999 is a wasteful number, since it uses less digits than its factorization.

2144039999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 2144039999 is about 46303.7795325608. The cubic root of 2144039999 is about 1289.4691642400.

The spelling of 2144039999 in words is "two billion, one hundred forty-four million, thirty-nine thousand, nine hundred ninety-nine".