12174899993 has 2 divisors, whose sum is σ = 12174899994. Its totient is φ = 12174899992.

The previous prime is 12174899959. The next prime is 12174899999. The reversal of 12174899993 is 39999847121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11287575049 + 887324944 = 106243^2 + 29788^2 .

It is a cyclic number.

It is not a de Polignac number, because 12174899993 - 2¹⁰ = 12174898969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12174899999) 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, 6087449996 + 6087449997.

It is an arithmetic number, because the mean of its divisors is an integer number (6087449997).

Almost surely, 2^12174899993 is an apocalyptic number.

It is an amenable number.

12174899993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12174899993 is an equidigital number, since it uses as much as digits as its factorization.

12174899993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 62.

The spelling of 12174899993 in words is "twelve billion, one hundred seventy-four million, eight hundred ninety-nine thousand, nine hundred ninety-three".