2144653365 has 16 divisors (see below), whose sum is σ = 3432585600. Its totient is φ = 1143435072.

The previous prime is 2144653361. The next prime is 2144653409. The reversal of 2144653365 is 5633564412.

It is not a de Polignac number, because 2144653365 - 2² = 2144653361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144653361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26296 + ... + 70574.

It is an arithmetic number, because the mean of its divisors is an integer number (214536600).

Almost surely, 2^2144653365 is an apocalyptic number.

It is an amenable number.

2144653365 is a deficient number, since it is larger than the sum of its proper divisors (1287932235).

2144653365 is a wasteful number, since it uses less digits than its factorization.

2144653365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47516.

The product of its digits is 259200, while the sum is 39.

The square root of 2144653365 is about 46310.4023411587. The cubic root of 2144653365 is about 1289.5921161026.

The spelling of 2144653365 in words is "two billion, one hundred forty-four million, six hundred fifty-three thousand, three hundred sixty-five".