2689339799705 has 24 divisors (see below), whose sum is σ = 3482317735512. Its totient is φ = 1982059877376.

The previous prime is 2689339799693. The next prime is 2689339799737. The reversal of 2689339799705 is 5079979339862.

It can be written as a sum of positive squares in 12 ways, for example, as 1090194927376 + 1599144872329 = 1044124^2 + 1264573^2 .

It is not a de Polignac number, because 2689339799705 - 2²⁸ = 2689071364249 is a prime.

It is a super-3 number, since 3×2689339799705³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16760417 + ... + 16920113.

It is an arithmetic number, because the mean of its divisors is an integer number (145096572313).

Almost surely, 2^{2689339799705} is an apocalyptic number.

It is an amenable number.

2689339799705 is a deficient number, since it is larger than the sum of its proper divisors (792977935807).

2689339799705 is an equidigital number, since it uses as much as digits as its factorization.

2689339799705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160733 (or 160224 counting only the distinct ones).

The product of its (nonzero) digits is 1388832480, while the sum is 77.

The spelling of 2689339799705 in words is "two trillion, six hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, seven hundred five".