2685545259 has 8 divisors (see below), whose sum is σ = 3601425552. Its totient is φ = 1780014240.

The previous prime is 2685545227. The next prime is 2685545279. The reversal of 2685545259 is 9525455862.

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

It is not a de Polignac number, because 2685545259 - 2⁵ = 2685545227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2685545279) 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, 2586712 + ... + 2587749.

It is an arithmetic number, because the mean of its divisors is an integer number (450178194).

Almost surely, 2^2685545259 is an apocalyptic number.

2685545259 is a deficient number, since it is larger than the sum of its proper divisors (915880293).

2685545259 is a wasteful number, since it uses less digits than its factorization.

2685545259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174637.

The product of its digits is 4320000, while the sum is 51.

The square root of 2685545259 is about 51822.2467575461. The cubic root of 2685545259 is about 1389.9872778022.

The spelling of 2685545259 in words is "two billion, six hundred eighty-five million, five hundred forty-five thousand, two hundred fifty-nine".