14453218415 has 4 divisors (see below), whose sum is σ = 17343862104. Its totient is φ = 11562574728.

The previous prime is 14453218411. The next prime is 14453218453. The reversal of 14453218415 is 51481235441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14453218415 - 2² = 14453218411 is a prime.

It is a super-2 number, since 2×14453218415² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14453218411) 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, 1445321837 + ... + 1445321846.

It is an arithmetic number, because the mean of its divisors is an integer number (4335965526).

Almost surely, 2^14453218415 is an apocalyptic number.

14453218415 is a deficient number, since it is larger than the sum of its proper divisors (2890643689).

14453218415 is an equidigital number, since it uses as much as digits as its factorization.

14453218415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890643688.

The product of its digits is 76800, while the sum is 38.

The spelling of 14453218415 in words is "fourteen billion, four hundred fifty-three million, two hundred eighteen thousand, four hundred fifteen".