14217905972 has 12 divisors (see below), whose sum is σ = 24894437316. Its totient is φ = 7105209600.

The previous prime is 14217905959. The next prime is 14217905993. The reversal of 14217905972 is 27950971241.

14217905972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1131918736 + 13085987236 = 33644^2 + 114394^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 927293 + ... + 942500.

It is an arithmetic number, because the mean of its divisors is an integer number (2074536443).

Almost surely, 2^14217905972 is an apocalyptic number.

It is an amenable number.

14217905972 is a deficient number, since it is larger than the sum of its proper divisors (10676531344).

14217905972 is a wasteful number, since it uses less digits than its factorization.

14217905972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871698 (or 1871696 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 14217905972 in words is "fourteen billion, two hundred seventeen million, nine hundred five thousand, nine hundred seventy-two".