12393032989 has 2 divisors, whose sum is σ = 12393032990. Its totient is φ = 12393032988.

The previous prime is 12393032957. The next prime is 12393033007. The reversal of 12393032989 is 98923039321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12381012900 + 12020089 = 111270^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 12393032989 - 2⁵ = 12393032957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12393032909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196516494 + 6196516495.

It is an arithmetic number, because the mean of its divisors is an integer number (6196516495).

Almost surely, 2^12393032989 is an apocalyptic number.

It is an amenable number.

12393032989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393032989 is an equidigital number, since it uses as much as digits as its factorization.

12393032989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 12393032989 in words is "twelve billion, three hundred ninety-three million, thirty-two thousand, nine hundred eighty-nine".