12163442953 has 2 divisors, whose sum is σ = 12163442954. Its totient is φ = 12163442952.

The previous prime is 12163442927. The next prime is 12163442957. The reversal of 12163442953 is 35924436121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12163442944 + 9 = 110288^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 12163442953 - 2¹³ = 12163434761 is a prime.

It is not a weakly prime, because it can be changed into another prime (12163442957) 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, 6081721476 + 6081721477.

It is an arithmetic number, because the mean of its divisors is an integer number (6081721477).

Almost surely, 2^12163442953 is an apocalyptic number.

It is an amenable number.

12163442953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163442953 is an equidigital number, since it uses as much as digits as its factorization.

12163442953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The spelling of 12163442953 in words is "twelve billion, one hundred sixty-three million, four hundred forty-two thousand, nine hundred fifty-three".