2143992659 has 2 divisors, whose sum is σ = 2143992660. Its totient is φ = 2143992658.

The previous prime is 2143992611. The next prime is 2143992667. The reversal of 2143992659 is 9562993412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143992659 - 2¹² = 2143988563 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2143992959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071996329 + 1071996330.

It is an arithmetic number, because the mean of its divisors is an integer number (1071996330).

Almost surely, 2^2143992659 is an apocalyptic number.

2143992659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143992659 is an equidigital number, since it uses as much as digits as its factorization.

2143992659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The square root of 2143992659 is about 46303.2683403666. The cubic root of 2143992659 is about 1289.4596737579.

The spelling of 2143992659 in words is "two billion, one hundred forty-three million, nine hundred ninety-two thousand, six hundred fifty-nine".