684026407317 has 16 divisors (see below), whose sum is σ = 1038206089728. Its totient is φ = 396537047280.

The previous prime is 684026407307. The next prime is 684026407327. The reversal of 684026407317 is 713704620486.

It is a happy number.

684026407317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (684026407307) and next prime (684026407327).

It is not a de Polignac number, because 684026407317 - 2⁷ = 684026407189 is a prime.

It is a super-2 number, since 2×684026407317² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684026407307) 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, 450609523 + ... + 450611040.

It is an arithmetic number, because the mean of its divisors is an integer number (64887880608).

Almost surely, 2^684026407317 is an apocalyptic number.

It is an amenable number.

684026407317 is a deficient number, since it is larger than the sum of its proper divisors (354179682411).

684026407317 is a wasteful number, since it uses less digits than its factorization.

684026407317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901220600.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 684026407317 in words is "six hundred eighty-four billion, twenty-six million, four hundred seven thousand, three hundred seventeen".