14861689745 has 32 divisors (see below), whose sum is σ = 20659000320. Its totient is φ = 10052490240.

The previous prime is 14861689741. The next prime is 14861689747. The reversal of 14861689745 is 54798616841.

It is not a de Polignac number, because 14861689745 - 2² = 14861689741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14861689741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4292315 + ... + 4295775.

It is an arithmetic number, because the mean of its divisors is an integer number (645593760).

Almost surely, 2^14861689745 is an apocalyptic number.

It is an amenable number.

14861689745 is a deficient number, since it is larger than the sum of its proper divisors (5797310575).

14861689745 is a wasteful number, since it uses less digits than its factorization.

14861689745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105.

The product of its digits is 11612160, while the sum is 59.

The spelling of 14861689745 in words is "fourteen billion, eight hundred sixty-one million, six hundred eighty-nine thousand, seven hundred forty-five".