684403366412 has 6 divisors (see below), whose sum is σ = 1197705891228. Its totient is φ = 342201683204.

The previous prime is 684403366411. The next prime is 684403366421. The reversal of 684403366412 is 214663304486.

It is not an unprimeable number, because it can be changed into a prime (684403366411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85550420798 + ... + 85550420805.

It is an arithmetic number, because the mean of its divisors is an integer number (199617648538).

Almost surely, 2^684403366412 is an apocalyptic number.

It is an amenable number.

684403366412 is a deficient number, since it is larger than the sum of its proper divisors (513302524816).

684403366412 is a wasteful number, since it uses less digits than its factorization.

684403366412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171100841607 (or 171100841605 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 684403366412 in words is "six hundred eighty-four billion, four hundred three million, three hundred sixty-six thousand, four hundred twelve".