9678668413 has 6 divisors (see below), whose sum is σ = 9729114234. Its totient is φ = 9628482816.

The previous prime is 9678668399. The next prime is 9678668431. The reversal of 9678668413 is 3148668769.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1011430809 + 8667237604 = 31803^2 + 93098^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9678668413 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 (9678668473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92670 + ... + 167167.

It is an arithmetic number, because the mean of its divisors is an integer number (1621519039).

Almost surely, 2^9678668413 is an apocalyptic number.

It is an amenable number.

9678668413 is a deficient number, since it is larger than the sum of its proper divisors (50445821).

9678668413 is an equidigital number, since it uses as much as digits as its factorization.

9678668413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260223 (or 260030 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 9678668413 is about 98380.2236885036. The cubic root of 9678668413 is about 2131.1067457678.

The spelling of 9678668413 in words is "nine billion, six hundred seventy-eight million, six hundred sixty-eight thousand, four hundred thirteen".