2144862659 has 2 divisors, whose sum is σ = 2144862660. Its totient is φ = 2144862658.

The previous prime is 2144862637. The next prime is 2144862679. The reversal of 2144862659 is 9562684412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144862659 - 2¹² = 2144858563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144862619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072431329 + 1072431330.

It is an arithmetic number, because the mean of its divisors is an integer number (1072431330).

Almost surely, 2^2144862659 is an apocalyptic number.

2144862659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144862659 is an equidigital number, since it uses as much as digits as its factorization.

2144862659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 47.

The square root of 2144862659 is about 46312.6619727262. The cubic root of 2144862659 is about 1289.6340646240.

The spelling of 2144862659 in words is "two billion, one hundred forty-four million, eight hundred sixty-two thousand, six hundred fifty-nine".