2573403609 has 12 divisors (see below), whose sum is σ = 3991401744. Its totient is φ = 1470516264.

The previous prime is 2573403593. The next prime is 2573403631. The reversal of 2573403609 is 9063043752.

It is not a de Polignac number, because 2573403609 - 2⁴ = 2573403593 is a prime.

It is a super-2 number, since 2×2573403609² = 13244812269628449762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2573403659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8752927 + ... + 8753220.

It is an arithmetic number, because the mean of its divisors is an integer number (332616812).

Almost surely, 2^2573403609 is an apocalyptic number.

It is an amenable number.

2573403609 is a deficient number, since it is larger than the sum of its proper divisors (1417998135).

2573403609 is a wasteful number, since it uses less digits than its factorization.

2573403609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506164 (or 17506157 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 2573403609 is about 50728.7256788498. The cubic root of 2573403609 is about 1370.3640869045.

The spelling of 2573403609 in words is "two billion, five hundred seventy-three million, four hundred three thousand, six hundred nine".