13244122667 has 2 divisors, whose sum is σ = 13244122668. Its totient is φ = 13244122666.

The previous prime is 13244122631. The next prime is 13244122693. The reversal of 13244122667 is 76622144231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13244122667 - 2⁶ = 13244122603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13244122667.

It is not a weakly prime, because it can be changed into another prime (13244152667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622061333 + 6622061334.

It is an arithmetic number, because the mean of its divisors is an integer number (6622061334).

Almost surely, 2^13244122667 is an apocalyptic number.

13244122667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244122667 is an equidigital number, since it uses as much as digits as its factorization.

13244122667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

Adding to 13244122667 its reverse (76622144231), we get a palindrome (89866266898).

The spelling of 13244122667 in words is "thirteen billion, two hundred forty-four million, one hundred twenty-two thousand, six hundred sixty-seven".