684454454472 has 32 divisors (see below), whose sum is σ = 1711740307680. Its totient is φ = 228070928640.

The previous prime is 684454454449. The next prime is 684454454473. The reversal of 684454454472 is 274454454486.

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

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, 4965354 + ... + 5101337.

It is an arithmetic number, because the mean of its divisors is an integer number (53491884615).

Almost surely, 2^684454454472 is an apocalyptic number.

It is an amenable number.

684454454472 is an abundant number, since it is smaller than the sum of its proper divisors (1027285853208).

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

684454454472 is a wasteful number, since it uses less digits than its factorization.

684454454472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069533 (or 10069529 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 57.

The spelling of 684454454472 in words is "six hundred eighty-four billion, four hundred fifty-four million, four hundred fifty-four thousand, four hundred seventy-two".