13356668705 has 8 divisors (see below), whose sum is σ = 16175049000. Its totient is φ = 10587303936.

The previous prime is 13356668683. The next prime is 13356668737. The reversal of 13356668705 is 50786665331.

It can be written as a sum of positive squares in 4 ways, for example, as 139027681 + 13217641024 = 11791^2 + 114968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13356668705 - 2¹² = 13356664609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12253280 + ... + 12254369.

It is an arithmetic number, because the mean of its divisors is an integer number (2021881125).

Almost surely, 2^13356668705 is an apocalyptic number.

It is an amenable number.

13356668705 is a deficient number, since it is larger than the sum of its proper divisors (2818380295).

13356668705 is a wasteful number, since it uses less digits than its factorization.

13356668705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24507763.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 13356668705 in words is "thirteen billion, three hundred fifty-six million, six hundred sixty-eight thousand, seven hundred five".