2144373317 has 2 divisors, whose sum is σ = 2144373318. Its totient is φ = 2144373316.

The previous prime is 2144373299. The next prime is 2144373397. The reversal of 2144373317 is 7133734412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1617165796 + 527207521 = 40214^2 + 22961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144373317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144373397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072186658 + 1072186659.

It is an arithmetic number, because the mean of its divisors is an integer number (1072186659).

Almost surely, 2^2144373317 is an apocalyptic number.

It is an amenable number.

2144373317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144373317 is an equidigital number, since it uses as much as digits as its factorization.

2144373317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 35.

The square root of 2144373317 is about 46307.3786453088. The cubic root of 2144373317 is about 1289.5359821806.

The spelling of 2144373317 in words is "two billion, one hundred forty-four million, three hundred seventy-three thousand, three hundred seventeen".