454251533663 has 4 divisors (see below), whose sum is σ = 474001600368. Its totient is φ = 434501466960.

The previous prime is 454251533647. The next prime is 454251533669. The reversal of 454251533663 is 366335152454.

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 454251533663 - 2⁴ = 454251533647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454251533669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9875033318 + ... + 9875033363.

It is an arithmetic number, because the mean of its divisors is an integer number (118500400092).

Almost surely, 2^454251533663 is an apocalyptic number.

454251533663 is a deficient number, since it is larger than the sum of its proper divisors (19750066705).

454251533663 is a wasteful number, since it uses less digits than its factorization.

454251533663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750066704.

The product of its digits is 3888000, while the sum is 47.

The spelling of 454251533663 in words is "four hundred fifty-four billion, two hundred fifty-one million, five hundred thirty-three thousand, six hundred sixty-three".