13866626694 has 16 divisors (see below), whose sum is σ = 27992443968. Its totient is φ = 4579010472.

The previous prime is 13866626693. The next prime is 13866626777. The reversal of 13866626694 is 49662666831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13866626693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10798912 + ... + 10800195.

It is an arithmetic number, because the mean of its divisors is an integer number (1749527748).

Almost surely, 2^13866626694 is an apocalyptic number.

13866626694 is an abundant number, since it is smaller than the sum of its proper divisors (14125817274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13866626694 is a wasteful number, since it uses less digits than its factorization.

13866626694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21599219.

The product of its digits is 13436928, while the sum is 57.

The spelling of 13866626694 in words is "thirteen billion, eight hundred sixty-six million, six hundred twenty-six thousand, six hundred ninety-four".