14453218397 has 4 divisors (see below), whose sum is σ = 14454066396. Its totient is φ = 14452370400.

The previous prime is 14453218393. The next prime is 14453218411. The reversal of 14453218397 is 79381235441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79381235441 = 83 ⋅956400427.

It can be written as a sum of positive squares in 2 ways, for example, as 12497898436 + 1955319961 = 111794^2 + 44219^2 .

It is a cyclic number.

It is not a de Polignac number, because 14453218397 - 2² = 14453218393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14453218391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397898 + ... + 432699.

It is an arithmetic number, because the mean of its divisors is an integer number (3613516599).

Almost surely, 2^14453218397 is an apocalyptic number.

It is an amenable number.

14453218397 is a deficient number, since it is larger than the sum of its proper divisors (847999).

14453218397 is an equidigital number, since it uses as much as digits as its factorization.

14453218397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847998.

The product of its digits is 725760, while the sum is 47.

The spelling of 14453218397 in words is "fourteen billion, four hundred fifty-three million, two hundred eighteen thousand, three hundred ninety-seven".