12474513209 has 2 divisors, whose sum is σ = 12474513210. Its totient is φ = 12474513208.

The previous prime is 12474513173. The next prime is 12474513223. The reversal of 12474513209 is 90231547421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11352263209 + 1122250000 = 106547^2 + 33500^2 .

It is a cyclic number.

It is not a de Polignac number, because 12474513209 - 2²⁴ = 12457735993 is a prime.

It is a super-2 number, since 2×12474513209² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12474513229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237256604 + 6237256605.

It is an arithmetic number, because the mean of its divisors is an integer number (6237256605).

Almost surely, 2^12474513209 is an apocalyptic number.

It is an amenable number.

12474513209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12474513209 is an equidigital number, since it uses as much as digits as its factorization.

12474513209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12474513209 in words is "twelve billion, four hundred seventy-four million, five hundred thirteen thousand, two hundred nine".