14438958818769 has 45 divisors (see below), whose sum is σ = 22169961526251. Its totient is φ = 9364990355280.

The previous prime is 14438958818737. The next prime is 14438958818771. The reversal of 14438958818769 is 96781885983441.

The square root of 14438958818769 is 3799863.

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

14438958818769 is a `hidden beast` number, since 1 + 4 + 4 + 389 + 58 + 8 + 187 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12920178636225 + 1518780182544 = 3594465^2 + 1232388^2 .

It is not a de Polignac number, because 14438958818769 - 2⁵ = 14438958818737 is a prime.

It is a super-2 number, since 2×14438958818769² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (14438958818719) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1265348674 + ... + 1265360084.

Almost surely, 2^{14438958818769} is an apocalyptic number.

14438958818769 is the 3799863-rd square number.

14438958818769 is the 1899932-nd centered octagonal number.

It is an amenable number.

14438958818769 is a deficient number, since it is larger than the sum of its proper divisors (7731002707482).

14438958818769 is an frugal number, since it uses more digits than its factorization.

14438958818769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22908 (or 11451 counting only the distinct ones).

The product of its digits is 3344302080, while the sum is 81.

14438958818769 divided by its sum of digits (81) gives a square (178258750849 = 422207²).

The spelling of 14438958818769 in words is "fourteen trillion, four hundred thirty-eight billion, nine hundred fifty-eight million, eight hundred eighteen thousand, seven hundred sixty-nine".