14557687489 has 4 divisors (see below), whose sum is σ = 14558125140. Its totient is φ = 14557249840.

The previous prime is 14557687483. The next prime is 14557687493. The reversal of 14557687489 is 98478675541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11191947264 + 3365740225 = 105792^2 + 58015^2 .

It is a cyclic number.

It is not a de Polignac number, because 14557687489 - 2¹⁵ = 14557654721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14557687489.

It is not an unprimeable number, because it can be changed into a prime (14557687483) 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, 164422 + ... + 236959.

It is an arithmetic number, because the mean of its divisors is an integer number (3639531285).

Almost surely, 2^14557687489 is an apocalyptic number.

It is an amenable number.

14557687489 is a deficient number, since it is larger than the sum of its proper divisors (437651).

14557687489 is an equidigital number, since it uses as much as digits as its factorization.

14557687489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437650.

The product of its digits is 67737600, while the sum is 64.

The spelling of 14557687489 in words is "fourteen billion, five hundred fifty-seven million, six hundred eighty-seven thousand, four hundred eighty-nine".