2573775609 has 4 divisors (see below), whose sum is σ = 3431700816. Its totient is φ = 1715850404.

The previous prime is 2573775599. The next prime is 2573775629. The reversal of 2573775609 is 9065773752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2573775609 - 2⁸ = 2573775353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2573775629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428962599 + ... + 428962604.

It is an arithmetic number, because the mean of its divisors is an integer number (857925204).

Almost surely, 2^2573775609 is an apocalyptic number.

It is an amenable number.

2573775609 is a deficient number, since it is larger than the sum of its proper divisors (857925207).

2573775609 is an equidigital number, since it uses as much as digits as its factorization.

2573775609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857925206.

The product of its (nonzero) digits is 2778300, while the sum is 51.

The square root of 2573775609 is about 50732.3921080014. The cubic root of 2573775609 is about 1370.4301150079.

The spelling of 2573775609 in words is "two billion, five hundred seventy-three million, seven hundred seventy-five thousand, six hundred nine".