8743680013 has 2 divisors, whose sum is σ = 8743680014. Its totient is φ = 8743680012.

The previous prime is 8743679999. The next prime is 8743680031. The reversal of 8743680013 is 3100863478.

Together with next prime (8743680031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7997188329 + 746491684 = 89427^2 + 27322^2 .

It is a cyclic number.

It is not a de Polignac number, because 8743680013 - 2⁵ = 8743679981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8743680083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4371840006 + 4371840007.

It is an arithmetic number, because the mean of its divisors is an integer number (4371840007).

Almost surely, 2^8743680013 is an apocalyptic number.

It is an amenable number.

8743680013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8743680013 is an equidigital number, since it uses as much as digits as its factorization.

8743680013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 8743680013 is about 93507.6468156482. The cubic root of 8743680013 is about 2060.1464071801.

The spelling of 8743680013 in words is "eight billion, seven hundred forty-three million, six hundred eighty thousand, thirteen".