14218654564 has 9 divisors (see below), whose sum is σ = 24883062841. Its totient is φ = 7109208040.

The previous prime is 14218654547. The next prime is 14218654601. The reversal of 14218654564 is 46545681241.

The square root of 14218654564 is 119242.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11933814564 + 2284840000 = 109242^2 + 47800^2 .

It is a super-2 number, since 2×14218654564² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 208674 + ... + 268294.

Almost surely, 2^14218654564 is an apocalyptic number.

14218654564 is the 119242-nd square number.

It is an amenable number.

14218654564 is a deficient number, since it is larger than the sum of its proper divisors (10664408277).

14218654564 is an frugal number, since it uses more digits than its factorization.

14218654564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119246 (or 59623 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The spelling of 14218654564 in words is "fourteen billion, two hundred eighteen million, six hundred fifty-four thousand, five hundred sixty-four".