2686212459 has 24 divisors (see below), whose sum is σ = 4475076320. Its totient is φ = 1520892288.

The previous prime is 2686212439. The next prime is 2686212467. The reversal of 2686212459 is 9542126862.

It is not a de Polignac number, because 2686212459 - 2⁹ = 2686211947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686212439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188722 + ... + 202455.

Almost surely, 2^2686212459 is an apocalyptic number.

2686212459 is a deficient number, since it is larger than the sum of its proper divisors (1788863861).

2686212459 is a wasteful number, since it uses less digits than its factorization.

2686212459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391299 (or 391296 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2686212459 is about 51828.6837475157. The cubic root of 2686212459 is about 1390.1023782916.

The spelling of 2686212459 in words is "two billion, six hundred eighty-six million, two hundred twelve thousand, four hundred fifty-nine".