455471663 has 4 divisors (see below), whose sum is σ = 455637648. Its totient is φ = 455305680.

The previous prime is 455471659. The next prime is 455471671. The reversal of 455471663 is 366174554.

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 455471663 - 2² = 455471659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455471663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455477663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78806 + ... + 84387.

It is an arithmetic number, because the mean of its divisors is an integer number (113909412).

Almost surely, 2^455471663 is an apocalyptic number.

455471663 is a deficient number, since it is larger than the sum of its proper divisors (165985).

455471663 is a wasteful number, since it uses less digits than its factorization.

455471663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165984.

The product of its digits is 302400, while the sum is 41.

The square root of 455471663 is about 21341.7820952234. The cubic root of 455471663 is about 769.4028444814.

The spelling of 455471663 in words is "four hundred fifty-five million, four hundred seventy-one thousand, six hundred sixty-three".