2580356985 has 16 divisors (see below), whose sum is σ = 4371428736. Its totient is φ = 1295237888.

The previous prime is 2580356971. The next prime is 2580357001. The reversal of 2580356985 is 5896530852.

It is not a de Polignac number, because 2580356985 - 2⁴ = 2580356969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5059269 + ... + 5059778.

It is an arithmetic number, because the mean of its divisors is an integer number (273214296).

Almost surely, 2^2580356985 is an apocalyptic number.

It is an amenable number.

2580356985 is a deficient number, since it is larger than the sum of its proper divisors (1791071751).

2580356985 is a wasteful number, since it uses less digits than its factorization.

2580356985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119072.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The square root of 2580356985 is about 50797.2143429145. The cubic root of 2580356985 is about 1371.5972251742.

The spelling of 2580356985 in words is "two billion, five hundred eighty million, three hundred fifty-six thousand, nine hundred eighty-five".