14387207217 has 4 divisors (see below), whose sum is σ = 19182942960. Its totient is φ = 9591471476.

The previous prime is 14387207203. The next prime is 14387207249. The reversal of 14387207217 is 71270278341.

14387207217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14387207217 - 2¹² = 14387203121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14387207717) 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 3 ways as a sum of consecutive naturals, for example, 2397867867 + ... + 2397867872.

It is an arithmetic number, because the mean of its divisors is an integer number (4795735740).

Almost surely, 2^14387207217 is an apocalyptic number.

It is an amenable number.

14387207217 is a deficient number, since it is larger than the sum of its proper divisors (4795735743).

14387207217 is an equidigital number, since it uses as much as digits as its factorization.

14387207217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795735742.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 14387207217 in words is "fourteen billion, three hundred eighty-seven million, two hundred seven thousand, two hundred seventeen".