13966748705 has 16 divisors (see below), whose sum is σ = 20627814144. Its totient is φ = 8840491200.

The previous prime is 13966748699. The next prime is 13966748713. The reversal of 13966748705 is 50784766931.

It is not a de Polignac number, because 13966748705 - 2²⁸ = 13698313249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15347621 + ... + 15348530.

It is an arithmetic number, because the mean of its divisors is an integer number (1289238384).

Almost surely, 2^13966748705 is an apocalyptic number.

It is an amenable number.

13966748705 is a deficient number, since it is larger than the sum of its proper divisors (6661065439).

13966748705 is a wasteful number, since it uses less digits than its factorization.

13966748705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30696176.

The product of its (nonzero) digits is 7620480, while the sum is 56.

Adding to 13966748705 its sum of digits (56), we get a square (13966748761 = 118181²).

The spelling of 13966748705 in words is "thirteen billion, nine hundred sixty-six million, seven hundred forty-eight thousand, seven hundred five".