2573643559 has 2 divisors, whose sum is σ = 2573643560. Its totient is φ = 2573643558.

The previous prime is 2573643551. The next prime is 2573643587. The reversal of 2573643559 is 9553463752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2573643559 - 2³ = 2573643551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573643551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286821779 + 1286821780.

It is an arithmetic number, because the mean of its divisors is an integer number (1286821780).

Almost surely, 2^2573643559 is an apocalyptic number.

2573643559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573643559 is an equidigital number, since it uses as much as digits as its factorization.

2573643559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402000, while the sum is 49.

The square root of 2573643559 is about 50731.0906545483. The cubic root of 2573643559 is about 1370.4066775345.

The spelling of 2573643559 in words is "two billion, five hundred seventy-three million, six hundred forty-three thousand, five hundred fifty-nine".