13680241009 has 2 divisors, whose sum is σ = 13680241010. Its totient is φ = 13680241008.

The previous prime is 13680240989. The next prime is 13680241013. The reversal of 13680241009 is 90014208631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12550272784 + 1129968225 = 112028^2 + 33615^2 .

It is a cyclic number.

It is not a de Polignac number, because 13680241009 - 2⁷ = 13680240881 is a prime.

It is not a weakly prime, because it can be changed into another prime (13680241409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6840120504 + 6840120505.

It is an arithmetic number, because the mean of its divisors is an integer number (6840120505).

Almost surely, 2^13680241009 is an apocalyptic number.

It is an amenable number.

13680241009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13680241009 is an equidigital number, since it uses as much as digits as its factorization.

13680241009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13680241009 in words is "thirteen billion, six hundred eighty million, two hundred forty-one thousand, nine".