684454454474 has 32 divisors (see below), whose sum is σ = 1182094354560. Its totient is φ = 291152740032.

The previous prime is 684454454473. The next prime is 684454454503. The reversal of 684454454474 is 474454454486.

684454454474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (684454454473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7922012 + ... + 8007944.

It is an arithmetic number, because the mean of its divisors is an integer number (36940448580).

Almost surely, 2^684454454474 is an apocalyptic number.

684454454474 is a deficient number, since it is larger than the sum of its proper divisors (497639900086).

684454454474 is a wasteful number, since it uses less digits than its factorization.

684454454474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90174.

The product of its digits is 137625600, while the sum is 59.

The spelling of 684454454474 in words is "six hundred eighty-four billion, four hundred fifty-four million, four hundred fifty-four thousand, four hundred seventy-four".