13289809279825 has 48 divisors (see below), whose sum is σ = 18527527912320. Its totient is φ = 9382799162880.

The previous prime is 13289809279823. The next prime is 13289809279841. The reversal of 13289809279825 is 52897290898231.

It is not a de Polignac number, because 13289809279825 - 2¹ = 13289809279823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13289809279823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15143661 + ... + 15997189.

It is an arithmetic number, because the mean of its divisors is an integer number (385990164840).

Almost surely, 2^{13289809279825} is an apocalyptic number.

It is an amenable number.

13289809279825 is a deficient number, since it is larger than the sum of its proper divisors (5237718632495).

13289809279825 is a wasteful number, since it uses less digits than its factorization.

13289809279825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855658 (or 855653 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 73.

The spelling of 13289809279825 in words is "thirteen trillion, two hundred eighty-nine billion, eight hundred nine million, two hundred seventy-nine thousand, eight hundred twenty-five".