674545454568 has 32 divisors (see below), whose sum is σ = 1873737374400. Its totient is φ = 224848484784.

The previous prime is 674545454501. The next prime is 674545454599. The reversal of 674545454568 is 865454545476.

674545454568 is a `hidden beast` number, since 6 + 7 + 4 + 545 + 45 + 45 + 6 + 8 = 666.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1561447596 + ... + 1561448027.

It is an arithmetic number, because the mean of its divisors is an integer number (58554292950).

Almost surely, 2^674545454568 is an apocalyptic number.

It is an amenable number.

674545454568 is an abundant number, since it is smaller than the sum of its proper divisors (1199191919832).

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

674545454568 is a wasteful number, since it uses less digits than its factorization.

674545454568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122895638 (or 3122895628 counting only the distinct ones).

The product of its digits is 322560000, while the sum is 63.

The spelling of 674545454568 in words is "six hundred seventy-four billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred sixty-eight".