2686078736709 has 16 divisors (see below), whose sum is σ = 3639122752704. Its totient is φ = 1761993475200.

The previous prime is 2686078736699. The next prime is 2686078736717. The reversal of 2686078736709 is 9076378706862.

It is not a de Polignac number, because 2686078736709 - 2⁷ = 2686078736581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686078736749) 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, 14474547 + ... + 14658944.

It is an arithmetic number, because the mean of its divisors is an integer number (227445172044).

Almost surely, 2^{2686078736709} is an apocalyptic number.

It is an amenable number.

2686078736709 is a deficient number, since it is larger than the sum of its proper divisors (953044015995).

2686078736709 is a wasteful number, since it uses less digits than its factorization.

2686078736709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29133988.

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 2686078736709 in words is "two trillion, six hundred eighty-six billion, seventy-eight million, seven hundred thirty-six thousand, seven hundred nine".