450193479 has 4 divisors (see below), whose sum is σ = 600257976. Its totient is φ = 300128984.

The previous prime is 450193351. The next prime is 450193483. The reversal of 450193479 is 974391054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450193479 - 2⁷ = 450193351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450193479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450193279) 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, 75032244 + ... + 75032249.

It is an arithmetic number, because the mean of its divisors is an integer number (150064494).

Almost surely, 2^450193479 is an apocalyptic number.

450193479 is a deficient number, since it is larger than the sum of its proper divisors (150064497).

450193479 is a wasteful number, since it uses less digits than its factorization.

450193479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150064496.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 450193479 is about 21217.7632892819. The cubic root of 450193479 is about 766.4192424223.

The spelling of 450193479 in words is "four hundred fifty million, one hundred ninety-three thousand, four hundred seventy-nine".