14218844645 has 6 divisors (see below), whose sum is σ = 17062933542. Its totient is φ = 11374862408.

The previous prime is 14218844639. The next prime is 14218844677. The reversal of 14218844645 is 54644881241.

It can be written as a sum of positive squares in only one way, i.e., 11375075716 + 2843768929 = 106654^2 + 53327^2 .

It is not a de Polignac number, because 14218844645 - 2²² = 14214650341 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 14218844645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239972 + ... + 293298.

It is an arithmetic number, because the mean of its divisors is an integer number (2843822257).

Almost surely, 2^14218844645 is an apocalyptic number.

It is an amenable number.

14218844645 is a deficient number, since it is larger than the sum of its proper divisors (2844088897).

14218844645 is an frugal number, since it uses more digits than its factorization.

14218844645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106659 (or 53332 counting only the distinct ones).

The product of its digits is 983040, while the sum is 47.

The spelling of 14218844645 in words is "fourteen billion, two hundred eighteen million, eight hundred forty-four thousand, six hundred forty-five".