13223661140609 has 2 divisors, whose sum is σ = 13223661140610. Its totient is φ = 13223661140608.

The previous prime is 13223661140587. The next prime is 13223661140671. The reversal of 13223661140609 is 90604116632231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13223514052225 + 147088384 = 3636415^2 + 12128^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223661140609 - 2¹² = 13223661136513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13223661140609.

It is not a weakly prime, because it can be changed into another prime (13223661140699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611830570304 + 6611830570305.

It is an arithmetic number, because the mean of its divisors is an integer number (6611830570305).

Almost surely, 2^{13223661140609} is an apocalyptic number.

It is an amenable number.

13223661140609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223661140609 is an equidigital number, since it uses as much as digits as its factorization.

13223661140609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 13223661140609 in words is "thirteen trillion, two hundred twenty-three billion, six hundred sixty-one million, one hundred forty thousand, six hundred nine".