13425430021109 has 2 divisors, whose sum is σ = 13425430021110. Its totient is φ = 13425430021108.

The previous prime is 13425430021099. The next prime is 13425430021127. The reversal of 13425430021109 is 90112003452431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10426634740900 + 2998795280209 = 3229030^2 + 1731703^2 .

It is a cyclic number.

It is not a de Polignac number, because 13425430021109 - 2⁴⁰ = 12325918393333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425430021309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712715010554 + 6712715010555.

It is an arithmetic number, because the mean of its divisors is an integer number (6712715010555).

Almost surely, 2^{13425430021109} is an apocalyptic number.

It is an amenable number.

13425430021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425430021109 is an equidigital number, since it uses as much as digits as its factorization.

13425430021109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 13425430021109 in words is "thirteen trillion, four hundred twenty-five billion, four hundred thirty million, twenty-one thousand, one hundred nine".