2685915572 has 12 divisors (see below), whose sum is σ = 4764741156. Its totient is φ = 1324560960.

The previous prime is 2685915539. The next prime is 2685915577. The reversal of 2685915572 is 2755195862.

It can be written as a sum of positive squares in 2 ways, for example, as 1319578276 + 1366337296 = 36326^2 + 36964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2685915572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685915577) 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, 4598879 + ... + 4599462.

It is an arithmetic number, because the mean of its divisors is an integer number (397061763).

Almost surely, 2^2685915572 is an apocalyptic number.

It is an amenable number.

2685915572 is a deficient number, since it is larger than the sum of its proper divisors (2078825584).

2685915572 is a wasteful number, since it uses less digits than its factorization.

2685915572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198418 (or 9198416 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 50.

The square root of 2685915572 is about 51825.8195497187. The cubic root of 2685915572 is about 1390.0511638604.

The spelling of 2685915572 in words is "two billion, six hundred eighty-five million, nine hundred fifteen thousand, five hundred seventy-two".