454326643 has 4 divisors (see below), whose sum is σ = 457595320. Its totient is φ = 451057968.

The previous prime is 454326637. The next prime is 454326667. The reversal of 454326643 is 346623454.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454326643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454329643) 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, 1634130 + ... + 1634407.

It is an arithmetic number, because the mean of its divisors is an integer number (114398830).

Almost surely, 2^454326643 is an apocalyptic number.

454326643 is a deficient number, since it is larger than the sum of its proper divisors (3268677).

454326643 is a wasteful number, since it uses less digits than its factorization.

454326643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268676.

The product of its digits is 207360, while the sum is 37.

The square root of 454326643 is about 21314.9394322386. The cubic root of 454326643 is about 768.7575640034.

The spelling of 454326643 in words is "four hundred fifty-four million, three hundred twenty-six thousand, six hundred forty-three".