14248041809 has 4 divisors (see below), whose sum is σ = 14386372416. Its totient is φ = 14109711204.

The previous prime is 14248041791. The next prime is 14248041811. The reversal of 14248041809 is 90814084241.

It is a happy number.

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: 90814084241 = 89 ⋅1020382969.

It is a cyclic number.

It is not a de Polignac number, because 14248041809 - 2⁸ = 14248041553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14248041859) 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, 69165149 + ... + 69165354.

It is an arithmetic number, because the mean of its divisors is an integer number (3596593104).

Almost surely, 2^14248041809 is an apocalyptic number.

It is an amenable number.

14248041809 is a deficient number, since it is larger than the sum of its proper divisors (138330607).

14248041809 is a wasteful number, since it uses less digits than its factorization.

14248041809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138330606.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 14248041809 in words is "fourteen billion, two hundred forty-eight million, forty-one thousand, eight hundred nine".