14444442857287 has 4 divisors (see below), whose sum is σ = 14444588172280. Its totient is φ = 14444297542296.

The previous prime is 14444442857281. The next prime is 14444442857399. The reversal of 14444442857287 is 78275824444441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14444442857287 - 2¹¹ = 14444442855239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14444442857281) 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, 72508293 + ... + 72707230.

It is an arithmetic number, because the mean of its divisors is an integer number (3611147043070).

Almost surely, 2^{14444442857287} is an apocalyptic number.

14444442857287 is a deficient number, since it is larger than the sum of its proper divisors (145314993).

14444442857287 is an equidigital number, since it uses as much as digits as its factorization.

14444442857287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145314992.

The product of its digits is 256901120, while the sum is 64.

The spelling of 14444442857287 in words is "fourteen trillion, four hundred forty-four billion, four hundred forty-two million, eight hundred fifty-seven thousand, two hundred eighty-seven".