13466566433 has 2 divisors, whose sum is σ = 13466566434. Its totient is φ = 13466566432.

The previous prime is 13466566381. The next prime is 13466566457. The reversal of 13466566433 is 33466566431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12825109504 + 641456929 = 113248^2 + 25327^2 .

It is an emirp because it is prime and its reverse (33466566431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13466566433 - 2²² = 13462372129 is a prime.

It is a super-2 number, since 2×13466566433² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13466565433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6733283216 + 6733283217.

It is an arithmetic number, because the mean of its divisors is an integer number (6733283217).

Almost surely, 2^13466566433 is an apocalyptic number.

It is an amenable number.

13466566433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13466566433 is an equidigital number, since it uses as much as digits as its factorization.

13466566433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 47.

The spelling of 13466566433 in words is "thirteen billion, four hundred sixty-six million, five hundred sixty-six thousand, four hundred thirty-three".