29666319593 has 2 divisors, whose sum is σ = 29666319594. Its totient is φ = 29666319592.

The previous prime is 29666319499. The next prime is 29666319667. The reversal of 29666319593 is 39591366692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22809154729 + 6857164864 = 151027^2 + 82808^2 .

It is a cyclic number.

It is not a de Polignac number, because 29666319593 - 2⁸ = 29666319337 is a prime.

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 (29666316593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14833159796 + 14833159797.

It is an arithmetic number, because the mean of its divisors is an integer number (14833159797).

Almost surely, 2^29666319593 is an apocalyptic number.

It is an amenable number.

29666319593 is a deficient number, since it is larger than the sum of its proper divisors (1).

29666319593 is an equidigital number, since it uses as much as digits as its factorization.

29666319593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14171760, while the sum is 59.

The spelling of 29666319593 in words is "twenty-nine billion, six hundred sixty-six million, three hundred nineteen thousand, five hundred ninety-three".