2645743159 has 2 divisors, whose sum is σ = 2645743160. Its totient is φ = 2645743158.

The previous prime is 2645743073. The next prime is 2645743169. The reversal of 2645743159 is 9513475462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645743159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645743169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322871579 + 1322871580.

It is an arithmetic number, because the mean of its divisors is an integer number (1322871580).

Almost surely, 2^2645743159 is an apocalyptic number.

2645743159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645743159 is an equidigital number, since it uses as much as digits as its factorization.

2645743159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 46.

The square root of 2645743159 is about 51436.7879926420. The cubic root of 2645743159 is about 1383.0861337481.

The spelling of 2645743159 in words is "two billion, six hundred forty-five million, seven hundred forty-three thousand, one hundred fifty-nine".