13237067872009 has 2 divisors, whose sum is σ = 13237067872010. Its totient is φ = 13237067872008.

The previous prime is 13237067871997. The next prime is 13237067872027. The reversal of 13237067872009 is 90027876073231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12176470670400 + 1060597201609 = 3489480^2 + 1029853^2 .

It is a cyclic number.

It is not a de Polignac number, because 13237067872009 - 2⁵ = 13237067871977 is a prime.

It is not a weakly prime, because it can be changed into another prime (13237067872099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618533936004 + 6618533936005.

It is an arithmetic number, because the mean of its divisors is an integer number (6618533936005).

Almost surely, 2^{13237067872009} is an apocalyptic number.

It is an amenable number.

13237067872009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13237067872009 is an equidigital number, since it uses as much as digits as its factorization.

13237067872009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 13237067872009 in words is "thirteen trillion, two hundred thirty-seven billion, sixty-seven million, eight hundred seventy-two thousand, nine".