14686809654 has 64 divisors (see below), whose sum is σ = 32640786432. Its totient is φ = 4368218400.

The previous prime is 14686809649. The next prime is 14686809661. The reversal of 14686809654 is 45690868641.

It is a junction number, because it is equal to n+sod(n) for n = 14686809594 and 14686809603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056819 + ... + 1070625.

It is an arithmetic number, because the mean of its divisors is an integer number (510012288).

Almost surely, 2^14686809654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14686809654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16320393216).

14686809654 is an abundant number, since it is smaller than the sum of its proper divisors (17953976778).

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

14686809654 is a wasteful number, since it uses less digits than its factorization.

14686809654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14121.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 14686809654 in words is "fourteen billion, six hundred eighty-six million, eight hundred nine thousand, six hundred fifty-four".