2144619799 has 12 divisors (see below), whose sum is σ = 2517655800. Its totient is φ = 1821376368.

The previous prime is 2144619793. The next prime is 2144619833. The reversal of 2144619799 is 9979164412.

It is not a de Polignac number, because 2144619799 - 2³ = 2144619791 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 (2144619791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195429 + ... + 206110.

It is an arithmetic number, because the mean of its divisors is an integer number (209804650).

Almost surely, 2^2144619799 is an apocalyptic number.

2144619799 is a deficient number, since it is larger than the sum of its proper divisors (373036001).

2144619799 is a wasteful number, since it uses less digits than its factorization.

2144619799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401662 (or 401655 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 2144619799 is about 46310.0399373613. The cubic root of 2144619799 is about 1289.5853882593.

The spelling of 2144619799 in words is "two billion, one hundred forty-four million, six hundred nineteen thousand, seven hundred ninety-nine".