2583985539 has 16 divisors (see below), whose sum is σ = 3542825120. Its totient is φ = 1674017280.

The previous prime is 2583985493. The next prime is 2583985543. The reversal of 2583985539 is 9355893852.

It is not a de Polignac number, because 2583985539 - 2²⁷ = 2449767811 is a prime.

It is a super-2 number, since 2×2583985539² = 13353962531522241042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2583985589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77979 + ... + 106059.

It is an arithmetic number, because the mean of its divisors is an integer number (221426570).

Almost surely, 2^2583985539 is an apocalyptic number.

2583985539 is a deficient number, since it is larger than the sum of its proper divisors (958839581).

2583985539 is a wasteful number, since it uses less digits than its factorization.

2583985539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28950.

The product of its digits is 11664000, while the sum is 57.

The square root of 2583985539 is about 50832.9178682475. The cubic root of 2583985539 is about 1372.2398473082.

The spelling of 2583985539 in words is "two billion, five hundred eighty-three million, nine hundred eighty-five thousand, five hundred thirty-nine".