14443953489 has 81 divisors (see below), whose sum is σ = 24945236667. Its totient is φ = 8030147328.

The previous prime is 14443953487. The next prime is 14443953493. The reversal of 14443953489 is 98435934441.

The square root of 14443953489 is 120183.

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

14443953489 is a `hidden beast` number, since 1 + 4 + 443 + 95 + 34 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6485886225 + 7958067264 = 80535^2 + 89208^2 .

It is not a de Polignac number, because 14443953489 - 2¹ = 14443953487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14443953487) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 148906689 + ... + 148906785.

Almost surely, 2^14443953489 is an apocalyptic number.

14443953489 is the 120183-rd square number.

14443953489 is the 60092-nd centered octagonal number.

It is an amenable number.

14443953489 is a deficient number, since it is larger than the sum of its proper divisors (10501283178).

14443953489 is an frugal number, since it uses more digits than its factorization.

14443953489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 166 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 14443953489 in words is "fourteen billion, four hundred forty-three million, nine hundred fifty-three thousand, four hundred eighty-nine".