2144029949 has 4 divisors (see below), whose sum is σ = 2176030464. Its totient is φ = 2112029436.

The previous prime is 2144029913. The next prime is 2144029961. The reversal of 2144029949 is 9499204412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144029949 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 (2144029049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16000157 + ... + 16000290.

It is an arithmetic number, because the mean of its divisors is an integer number (544007616).

Almost surely, 2^2144029949 is an apocalyptic number.

It is an amenable number.

2144029949 is a deficient number, since it is larger than the sum of its proper divisors (32000515).

2144029949 is an equidigital number, since it uses as much as digits as its factorization.

2144029949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32000514.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2144029949 is about 46303.6710099750. The cubic root of 2144029949 is about 1289.4671494789.

The spelling of 2144029949 in words is "two billion, one hundred forty-four million, twenty-nine thousand, nine hundred forty-nine".