2530459809 has 48 divisors (see below), whose sum is σ = 3979632384. Its totient is φ = 1543449600.

The previous prime is 2530459787. The next prime is 2530459817. The reversal of 2530459809 is 9089540352.

2530459809 is a `hidden beast` number, since 2 + 53 + 0 + 4 + 598 + 0 + 9 = 666.

It is not a de Polignac number, because 2530459809 - 2⁵ = 2530459777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530459849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791404 + ... + 794594.

It is an arithmetic number, because the mean of its divisors is an integer number (82909008).

Almost surely, 2^2530459809 is an apocalyptic number.

It is an amenable number.

2530459809 is a deficient number, since it is larger than the sum of its proper divisors (1449172575).

2530459809 is a wasteful number, since it uses less digits than its factorization.

2530459809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 2530459809 is about 50303.6758994807. The cubic root of 2530459809 is about 1362.6986153127.

The spelling of 2530459809 in words is "two billion, five hundred thirty million, four hundred fifty-nine thousand, eight hundred nine".