13328936447 has 2 divisors, whose sum is σ = 13328936448. Its totient is φ = 13328936446.

The previous prime is 13328936441. The next prime is 13328936461. The reversal of 13328936447 is 74463982331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13328936447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13328936395 and 13328936404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13328936441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6664468223 + 6664468224.

It is an arithmetic number, because the mean of its divisors is an integer number (6664468224).

Almost surely, 2^13328936447 is an apocalyptic number.

13328936447 is a deficient number, since it is larger than the sum of its proper divisors (1).

13328936447 is an equidigital number, since it uses as much as digits as its factorization.

13328936447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 50.

The spelling of 13328936447 in words is "thirteen billion, three hundred twenty-eight million, nine hundred thirty-six thousand, four hundred forty-seven".