2685422859 has 8 divisors (see below), whose sum is σ = 4092072960. Its totient is φ = 1534527336.

The previous prime is 2685422851. The next prime is 2685422869. The reversal of 2685422859 is 9582245862.

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

It is not a de Polignac number, because 2685422859 - 2³ = 2685422851 is a prime.

It is a super-2 number, since 2×2685422859² = 14422991863279467762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2685422851) 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, 63938619 + ... + 63938660.

It is an arithmetic number, because the mean of its divisors is an integer number (511509120).

Almost surely, 2^2685422859 is an apocalyptic number.

2685422859 is a deficient number, since it is larger than the sum of its proper divisors (1406650101).

2685422859 is a wasteful number, since it uses less digits than its factorization.

2685422859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127877289.

The product of its digits is 2764800, while the sum is 51.

The square root of 2685422859 is about 51821.0657840998. The cubic root of 2685422859 is about 1389.9661601754.

The spelling of 2685422859 in words is "two billion, six hundred eighty-five million, four hundred twenty-two thousand, eight hundred fifty-nine".