14986655689 has 4 divisors (see below), whose sum is σ = 14987140560. Its totient is φ = 14986170820.

The previous prime is 14986655659. The next prime is 14986655729. The reversal of 14986655689 is 98655668941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98655668941 = 1949 ⋅50618609.

It is a cyclic number.

It is not a de Polignac number, because 14986655689 - 2²³ = 14978267081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14986655659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192667 + ... + 259024.

It is an arithmetic number, because the mean of its divisors is an integer number (3746785140).

Almost surely, 2^14986655689 is an apocalyptic number.

It is an amenable number.

14986655689 is a deficient number, since it is larger than the sum of its proper divisors (484871).

14986655689 is an equidigital number, since it uses as much as digits as its factorization.

14986655689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484870.

The product of its digits is 111974400, while the sum is 67.

The spelling of 14986655689 in words is "fourteen billion, nine hundred eighty-six million, six hundred fifty-five thousand, six hundred eighty-nine".