2659439862 has 24 divisors (see below), whose sum is σ = 5782491624. Its totient is φ = 883345824.

The previous prime is 2659439851. The next prime is 2659439917. The reversal of 2659439862 is 2689349562.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2659439799 and 2659439808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255943 + ... + 266130.

It is an arithmetic number, because the mean of its divisors is an integer number (240937151).

Almost surely, 2^2659439862 is an apocalyptic number.

2659439862 is an abundant number, since it is smaller than the sum of its proper divisors (3123051762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2659439862 is a wasteful number, since it uses less digits than its factorization.

2659439862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522364 (or 522361 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2659439862 is about 51569.7572420115. The cubic root of 2659439862 is about 1385.4687187469.

The spelling of 2659439862 in words is "two billion, six hundred fifty-nine million, four hundred thirty-nine thousand, eight hundred sixty-two".