13245520899 has 16 divisors (see below), whose sum is σ = 19846132992. Its totient is φ = 7796694048.

The previous prime is 13245520889. The next prime is 13245520921. The reversal of 13245520899 is 99802554231.

It is a happy number.

13245520899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13245520899 - 2¹² = 13245516803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13245520889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7382337 + ... + 7384130.

It is an arithmetic number, because the mean of its divisors is an integer number (1240383312).

Almost surely, 2^13245520899 is an apocalyptic number.

13245520899 is a deficient number, since it is larger than the sum of its proper divisors (6600612093).

13245520899 is a wasteful number, since it uses less digits than its factorization.

13245520899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14766506.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 13245520899 in words is "thirteen billion, two hundred forty-five million, five hundred twenty thousand, eight hundred ninety-nine".