13106660443 has 2 divisors, whose sum is σ = 13106660444. Its totient is φ = 13106660442.

The previous prime is 13106660429. The next prime is 13106660471. The reversal of 13106660443 is 34406660131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13106660443 - 2⁹ = 13106659931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13106660399 and 13106660408.

It is not a weakly prime, because it can be changed into another prime (13106660473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6553330221 + 6553330222.

It is an arithmetic number, because the mean of its divisors is an integer number (6553330222).

Almost surely, 2^13106660443 is an apocalyptic number.

13106660443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13106660443 is an equidigital number, since it uses as much as digits as its factorization.

13106660443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 13106660443 in words is "thirteen billion, one hundred six million, six hundred sixty thousand, four hundred forty-three".