2580465909 has 8 divisors (see below), whose sum is σ = 3932138560. Its totient is φ = 1474551936.

The previous prime is 2580465893. The next prime is 2580465919. The reversal of 2580465909 is 9095640852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2580465909 - 2⁴ = 2580465893 is a prime.

It is a super-2 number, since 2×2580465909² = 13317608615022392562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580465919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61439644 + ... + 61439685.

It is an arithmetic number, because the mean of its divisors is an integer number (491517320).

Almost surely, 2^2580465909 is an apocalyptic number.

It is an amenable number.

2580465909 is a deficient number, since it is larger than the sum of its proper divisors (1351672651).

2580465909 is a wasteful number, since it uses less digits than its factorization.

2580465909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122879339.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 2580465909 is about 50798.2864770063. The cubic root of 2580465909 is about 1371.6165245392.

The spelling of 2580465909 in words is "two billion, five hundred eighty million, four hundred sixty-five thousand, nine hundred nine".