454981331807 has 4 divisors (see below), whose sum is σ = 456600482736. Its totient is φ = 453362180880.

The previous prime is 454981331797. The next prime is 454981331809. The reversal of 454981331807 is 708133189454.

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-454981331807 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 (454981331809) 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, 809575043 + ... + 809575604.

It is an arithmetic number, because the mean of its divisors is an integer number (114150120684).

Almost surely, 2^454981331807 is an apocalyptic number.

454981331807 is a deficient number, since it is larger than the sum of its proper divisors (1619150929).

454981331807 is a wasteful number, since it uses less digits than its factorization.

454981331807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619150928.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 454981331807 in words is "four hundred fifty-four billion, nine hundred eighty-one million, three hundred thirty-one thousand, eight hundred seven".