14394480529 has 27 divisors (see below), whose sum is σ = 17153177979. Its totient is φ = 12064887120.

The previous prime is 14394480497. The next prime is 14394480539. The reversal of 14394480529 is 92508449341.

It is a happy number.

The square root of 14394480529 is 119977.

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., 2129361025 + 12265119504 = 46145^2 + 110748^2 .

It is not a de Polignac number, because 14394480529 - 2⁵ = 14394480497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14394480539) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17156292 + ... + 17157130.

Almost surely, 2^14394480529 is an apocalyptic number.

14394480529 is the 119977-th square number.

14394480529 is the 59989-th centered octagonal number.

It is an amenable number.

14394480529 is a deficient number, since it is larger than the sum of its proper divisors (2758697450).

14394480529 is an frugal number, since it uses more digits than its factorization.

14394480529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

Multiplying 14394480529 by its sum of digits (49), we get a square (705329545921 = 839839²).

The spelling of 14394480529 in words is "fourteen billion, three hundred ninety-four million, four hundred eighty thousand, five hundred twenty-nine".