13253523109 has 2 divisors, whose sum is σ = 13253523110. Its totient is φ = 13253523108.

The previous prime is 13253523089. The next prime is 13253523113. The reversal of 13253523109 is 90132535231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12209587009 + 1043936100 = 110497^2 + 32310^2 .

It is a cyclic number.

It is not a de Polignac number, because 13253523109 - 2⁷ = 13253522981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13253523209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626761554 + 6626761555.

It is an arithmetic number, because the mean of its divisors is an integer number (6626761555).

Almost surely, 2^13253523109 is an apocalyptic number.

It is an amenable number.

13253523109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13253523109 is an equidigital number, since it uses as much as digits as its factorization.

13253523109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 13253523109 in words is "thirteen billion, two hundred fifty-three million, five hundred twenty-three thousand, one hundred nine".