14472811809 has 15 divisors (see below), whose sum is σ = 21621496897. Its totient is φ = 9647819388.

The previous prime is 14472811781. The next prime is 14472811831. The reversal of 14472811809 is 90811827441.

The square root of 14472811809 is 120303.

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

14472811809 is a `hidden beast` number, since 1 + 447 + 28 + 1 + 180 + 9 = 666.

14472811809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14472811809 - 2¹⁹ = 14472287521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14472811609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1076044 + ... + 1089410.

Almost surely, 2^14472811809 is an apocalyptic number.

14472811809 is the 120303-rd square number.

14472811809 is the 60152-nd centered octagonal number.

It is an amenable number.

14472811809 is a deficient number, since it is larger than the sum of its proper divisors (7148685088).

14472811809 is an frugal number, since it uses more digits than its factorization.

14472811809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26746 (or 13370 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

It can be divided in two parts, 14472 and 811809, that added together give a square (826281 = 909²).

The spelling of 14472811809 in words is "fourteen billion, four hundred seventy-two million, eight hundred eleven thousand, eight hundred nine".