13247231964989 has 48 divisors (see below), whose sum is σ = 15981960960000. Its totient is φ = 10921188579840.

The previous prime is 13247231964983. The next prime is 13247231965003. The reversal of 13247231964989 is 98946913274231.

13247231964989 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 13247231964989 - 2²⁸ = 13246963529533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247231964983) 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, 28823012 + ... + 29279010.

It is an arithmetic number, because the mean of its divisors is an integer number (332957520000).

Almost surely, 2^{13247231964989} is an apocalyptic number.

It is an amenable number.

13247231964989 is a deficient number, since it is larger than the sum of its proper divisors (2734728995011).

13247231964989 is a wasteful number, since it uses less digits than its factorization.

13247231964989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456554 (or 456543 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 68.

The spelling of 13247231964989 in words is "thirteen trillion, two hundred forty-seven billion, two hundred thirty-one million, nine hundred sixty-four thousand, nine hundred eighty-nine".