2144457613 has 8 divisors (see below), whose sum is σ = 2168006400. Its totient is φ = 2120989248.

The previous prime is 2144457593. The next prime is 2144457641. The reversal of 2144457613 is 3167544412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144457613 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 (2144451613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34318 + ... + 73936.

It is an arithmetic number, because the mean of its divisors is an integer number (271000800).

Almost surely, 2^2144457613 is an apocalyptic number.

It is an amenable number.

2144457613 is a deficient number, since it is larger than the sum of its proper divisors (23548787).

2144457613 is a wasteful number, since it uses less digits than its factorization.

2144457613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40211.

The product of its digits is 80640, while the sum is 37.

The square root of 2144457613 is about 46308.2888152866. The cubic root of 2144457613 is about 1289.5528793163.

The spelling of 2144457613 in words is "two billion, one hundred forty-four million, four hundred fifty-seven thousand, six hundred thirteen".