450085949 has 4 divisors (see below), whose sum is σ = 450315360. Its totient is φ = 449856540.

The previous prime is 450085913. The next prime is 450085957. The reversal of 450085949 is 949580054.

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 450085949 - 2²⁰ = 449037373 is a prime.

It is a super-2 number, since 2×450085949² = 405154722974461202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450085049) 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, 111737 + ... + 115694.

It is an arithmetic number, because the mean of its divisors is an integer number (112578840).

Almost surely, 2^450085949 is an apocalyptic number.

It is an amenable number.

450085949 is a deficient number, since it is larger than the sum of its proper divisors (229411).

450085949 is a wasteful number, since it uses less digits than its factorization.

450085949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229410.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 450085949 is about 21215.2291762309. The cubic root of 450085949 is about 766.3582170873.

The spelling of 450085949 in words is "four hundred fifty million, eighty-five thousand, nine hundred forty-nine".