14663225809 has 4 divisors (see below), whose sum is σ = 14911755120. Its totient is φ = 14414696500.

The previous prime is 14663225807. The next prime is 14663225821. The reversal of 14663225809 is 90852236641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90852236641 = 31 ⋅2930717311.

It is a cyclic number.

It is not a de Polignac number, because 14663225809 - 2¹ = 14663225807 is a prime.

It is a super-2 number, since 2×14663225809² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14663225803) 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, 124264567 + ... + 124264684.

It is an arithmetic number, because the mean of its divisors is an integer number (3727938780).

Almost surely, 2^14663225809 is an apocalyptic number.

It is an amenable number.

14663225809 is a deficient number, since it is larger than the sum of its proper divisors (248529311).

14663225809 is an equidigital number, since it uses as much as digits as its factorization.

14663225809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248529310.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 14663225809 in words is "fourteen billion, six hundred sixty-three million, two hundred twenty-five thousand, eight hundred nine".