13456503329 has 2 divisors, whose sum is σ = 13456503330. Its totient is φ = 13456503328.

The previous prime is 13456503301. The next prime is 13456503371. The reversal of 13456503329 is 92330565431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12547360225 + 909143104 = 112015^2 + 30152^2 .

It is a cyclic number.

It is not a de Polignac number, because 13456503329 - 2²⁸ = 13188067873 is a prime.

It is not a weakly prime, because it can be changed into another prime (13456500329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728251664 + 6728251665.

It is an arithmetic number, because the mean of its divisors is an integer number (6728251665).

Almost surely, 2^13456503329 is an apocalyptic number.

It is an amenable number.

13456503329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456503329 is an equidigital number, since it uses as much as digits as its factorization.

13456503329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 13456503329 in words is "thirteen billion, four hundred fifty-six million, five hundred three thousand, three hundred twenty-nine".