13066287613 has 2 divisors, whose sum is σ = 13066287614. Its totient is φ = 13066287612.

The previous prime is 13066287503. The next prime is 13066287643. The reversal of 13066287613 is 31678266031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10393190809 + 2673096804 = 101947^2 + 51702^2 .

It is a cyclic number.

It is not a de Polignac number, because 13066287613 - 2¹⁷ = 13066156541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13066287613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13066287643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6533143806 + 6533143807.

It is an arithmetic number, because the mean of its divisors is an integer number (6533143807).

Almost surely, 2^13066287613 is an apocalyptic number.

It is an amenable number.

13066287613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13066287613 is an equidigital number, since it uses as much as digits as its factorization.

13066287613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 13066287613 in words is "thirteen billion, sixty-six million, two hundred eighty-seven thousand, six hundred thirteen".