2585783428 has 12 divisors (see below), whose sum is σ = 4528560960. Its totient is φ = 1291908872.

The previous prime is 2585783423. The next prime is 2585783503. The reversal of 2585783428 is 8243875852.

2585783428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2585783423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239776 + ... + 250327.

It is an arithmetic number, because the mean of its divisors is an integer number (377380080).

Almost surely, 2^2585783428 is an apocalyptic number.

It is an amenable number.

2585783428 is a deficient number, since it is larger than the sum of its proper divisors (1942777532).

2585783428 is a wasteful number, since it uses less digits than its factorization.

2585783428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491426 (or 491424 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 52.

The square root of 2585783428 is about 50850.5990918494. The cubic root of 2585783428 is about 1372.5580331643.

The spelling of 2585783428 in words is "two billion, five hundred eighty-five million, seven hundred eighty-three thousand, four hundred twenty-eight".