450023814917 has 4 divisors (see below), whose sum is σ = 473709278880. Its totient is φ = 426338350956.

The previous prime is 450023814881. The next prime is 450023814931. The reversal of 450023814917 is 719418320054.

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.

It is a cyclic number.

It is not a de Polignac number, because 450023814917 - 2⁸ = 450023814661 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 (450023814217) 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, 11842731953 + ... + 11842731990.

It is an arithmetic number, because the mean of its divisors is an integer number (118427319720).

Almost surely, 2^450023814917 is an apocalyptic number.

It is an amenable number.

450023814917 is a deficient number, since it is larger than the sum of its proper divisors (23685463963).

450023814917 is a wasteful number, since it uses less digits than its factorization.

450023814917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23685463962.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 450023814917 in words is "four hundred fifty billion, twenty-three million, eight hundred fourteen thousand, nine hundred seventeen".