14453651809 has 4 divisors (see below), whose sum is σ = 14467275540. Its totient is φ = 14440028080.

The previous prime is 14453651803. The next prime is 14453651867. The reversal of 14453651809 is 90815635441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8593290000 + 5860361809 = 92700^2 + 76553^2 .

It is a cyclic number.

It is not a de Polignac number, because 14453651809 - 2⁵ = 14453651777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14453651803) 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, 6810274 + ... + 6812395.

It is an arithmetic number, because the mean of its divisors is an integer number (3616818885).

Almost surely, 2^14453651809 is an apocalyptic number.

It is an amenable number.

14453651809 is a deficient number, since it is larger than the sum of its proper divisors (13623731).

14453651809 is a wasteful number, since it uses less digits than its factorization.

14453651809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623730.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 14453651809 in words is "fourteen billion, four hundred fifty-three million, six hundred fifty-one thousand, eight hundred nine".