450241385617 has 4 divisors (see below), whose sum is σ = 451902793216. Its totient is φ = 448579978020.

The previous prime is 450241385557. The next prime is 450241385641. The reversal of 450241385617 is 716583142054.

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 a de Polignac number, because none of the positive numbers 2^k-450241385617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450241385687) 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, 830703393 + ... + 830703934.

It is an arithmetic number, because the mean of its divisors is an integer number (112975698304).

Almost surely, 2^450241385617 is an apocalyptic number.

It is an amenable number.

450241385617 is a deficient number, since it is larger than the sum of its proper divisors (1661407599).

450241385617 is a wasteful number, since it uses less digits than its factorization.

450241385617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661407598.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 450241385617 in words is "four hundred fifty billion, two hundred forty-one million, three hundred eighty-five thousand, six hundred seventeen".