13443107947 has 2 divisors, whose sum is σ = 13443107948. Its totient is φ = 13443107946.

The previous prime is 13443107939. The next prime is 13443107957. The reversal of 13443107947 is 74970134431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13443107947 - 2³ = 13443107939 is a prime.

It is not a weakly prime, because it can be changed into another prime (13443107927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721553973 + 6721553974.

It is an arithmetic number, because the mean of its divisors is an integer number (6721553974).

Almost surely, 2^13443107947 is an apocalyptic number.

13443107947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443107947 is an equidigital number, since it uses as much as digits as its factorization.

13443107947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 13443107947 in words is "thirteen billion, four hundred forty-three million, one hundred seven thousand, nine hundred forty-seven".