13226354989 has 2 divisors, whose sum is σ = 13226354990. Its totient is φ = 13226354988.

The previous prime is 13226354983. The next prime is 13226355001. The reversal of 13226354989 is 98945362231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11388518089 + 1837836900 = 106717^2 + 42870^2 .

It is a cyclic number.

It is not a de Polignac number, because 13226354989 - 2¹³ = 13226346797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13226354983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613177494 + 6613177495.

It is an arithmetic number, because the mean of its divisors is an integer number (6613177495).

Almost surely, 2^13226354989 is an apocalyptic number.

It is an amenable number.

13226354989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226354989 is an equidigital number, since it uses as much as digits as its factorization.

13226354989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The spelling of 13226354989 in words is "thirteen billion, two hundred twenty-six million, three hundred fifty-four thousand, nine hundred eighty-nine".