2585022899 has 4 divisors (see below), whose sum is σ = 2648072280. Its totient is φ = 2521973520.

The previous prime is 2585022833. The next prime is 2585022919. The reversal of 2585022899 is 9982205852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2585022899 - 2¹⁶ = 2584957363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585022299) 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, 31524629 + ... + 31524710.

It is an arithmetic number, because the mean of its divisors is an integer number (662018070).

Almost surely, 2^2585022899 is an apocalyptic number.

2585022899 is a deficient number, since it is larger than the sum of its proper divisors (63049381).

2585022899 is an equidigital number, since it uses as much as digits as its factorization.

2585022899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63049380.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The square root of 2585022899 is about 50843.1204687517. The cubic root of 2585022899 is about 1372.4234546667.

The spelling of 2585022899 in words is "two billion, five hundred eighty-five million, twenty-two thousand, eight hundred ninety-nine".