684403366413 has 16 divisors (see below), whose sum is σ = 996195139520. Its totient is φ = 415401830784.

The previous prime is 684403366411. The next prime is 684403366421. The reversal of 684403366413 is 314663304486.

It is not a de Polignac number, because 684403366413 - 2¹ = 684403366411 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 120194443 + ... + 120200136.

It is an arithmetic number, because the mean of its divisors is an integer number (62262196220).

Almost surely, 2^684403366413 is an apocalyptic number.

It is an amenable number.

684403366413 is a deficient number, since it is larger than the sum of its proper divisors (311791773107).

684403366413 is a wasteful number, since it uses less digits than its factorization.

684403366413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240394668.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 684403366413 in words is "six hundred eighty-four billion, four hundred three million, three hundred sixty-six thousand, four hundred thirteen".