14784432572809 has 9 divisors (see below), whose sum is σ = 14855648265549. Its totient is φ = 14713556710860.

The previous prime is 14784432572801. The next prime is 14784432572827. The reversal of 14784432572809 is 90827523448741.

The square root of 14784432572809 is 3845053.

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

It is not a de Polignac number, because 14784432572809 - 2³ = 14784432572801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14784432572801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 811297072 + ... + 811315294.

It is an arithmetic number, because the mean of its divisors is an integer number (1650627585061).

Almost surely, 2^{14784432572809} is an apocalyptic number.

14784432572809 is the 3845053-rd square number.

14784432572809 is the 1922527-th centered octagonal number.

It is an amenable number.

14784432572809 is a deficient number, since it is larger than the sum of its proper divisors (71215692740).

14784432572809 is an frugal number, since it uses more digits than its factorization.

14784432572809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868 (or 18434 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

Multiplying 14784432572809 by its sum of digits (64), we get a square (946203684659776 = 30760424²).

The spelling of 14784432572809 in words is "fourteen trillion, seven hundred eighty-four billion, four hundred thirty-two million, five hundred seventy-two thousand, eight hundred nine".