454647315816 has 24 divisors (see below), whose sum is σ = 1231336480530. Its totient is φ = 151549105248.

The previous prime is 454647315809. The next prime is 454647315817. The reversal of 454647315816 is 618513746454.

454647315816 is a `hidden beast` number, since 4 + 5 + 4 + 6 + 473 + 158 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 435528722916 + 19118592900 = 659946^2 + 138270^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (454647315817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3157272955 + ... + 3157273098.

Almost surely, 2^454647315816 is an apocalyptic number.

It is an amenable number.

454647315816 is an abundant number, since it is smaller than the sum of its proper divisors (776689164714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454647315816 is a wasteful number, since it uses less digits than its factorization.

454647315816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314546065 (or 6314546058 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 454647315816 in words is "four hundred fifty-four billion, six hundred forty-seven million, three hundred fifteen thousand, eight hundred sixteen".