2686734447 has 16 divisors (see below), whose sum is σ = 3645278592. Its totient is φ = 1759741920.

The previous prime is 2686734437. The next prime is 2686734467. The reversal of 2686734447 is 7444376862.

It is not a de Polignac number, because 2686734447 - 2¹⁵ = 2686701679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2686734447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686734437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157888 + ... + 174074.

It is an arithmetic number, because the mean of its divisors is an integer number (227829912).

Almost surely, 2^2686734447 is an apocalyptic number.

2686734447 is a deficient number, since it is larger than the sum of its proper divisors (958544145).

2686734447 is a wasteful number, since it uses less digits than its factorization.

2686734447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17158.

The product of its digits is 5419008, while the sum is 51.

The square root of 2686734447 is about 51833.7192086387. The cubic root of 2686734447 is about 1390.1924145758.

The spelling of 2686734447 in words is "two billion, six hundred eighty-six million, seven hundred thirty-four thousand, four hundred forty-seven".