450117693 has 6 divisors (see below), whose sum is σ = 650170014. Its totient is φ = 300078456.

The previous prime is 450117677. The next prime is 450117709. The reversal of 450117693 is 396711054.

450117693 is a `hidden beast` number, since 450 + 117 + 6 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (450117677) and next prime (450117709).

It can be written as a sum of positive squares in only one way, i.e., 419348484 + 30769209 = 20478^2 + 5547^2 .

It is not a de Polignac number, because 450117693 - 2⁴ = 450117677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450117193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25006530 + ... + 25006547.

It is an arithmetic number, because the mean of its divisors is an integer number (108361669).

Almost surely, 2^450117693 is an apocalyptic number.

It is an amenable number.

450117693 is a deficient number, since it is larger than the sum of its proper divisors (200052321).

450117693 is a wasteful number, since it uses less digits than its factorization.

450117693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50013083 (or 50013080 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 450117693 is about 21215.9773048521. The cubic root of 450117693 is about 766.3762334265.

The spelling of 450117693 in words is "four hundred fifty million, one hundred seventeen thousand, six hundred ninety-three".