12385752349 has 2 divisors, whose sum is σ = 12385752350. Its totient is φ = 12385752348.

The previous prime is 12385752299. The next prime is 12385752371. The reversal of 12385752349 is 94325758321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10890383449 + 1495368900 = 104357^2 + 38670^2 .

It is a cyclic number.

It is not a de Polignac number, because 12385752349 - 2¹³ = 12385744157 is a prime.

It is a super-2 number, since 2×12385752349² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12385732349) 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, 6192876174 + 6192876175.

It is an arithmetic number, because the mean of its divisors is an integer number (6192876175).

Almost surely, 2^12385752349 is an apocalyptic number.

It is an amenable number.

12385752349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12385752349 is an equidigital number, since it uses as much as digits as its factorization.

12385752349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The spelling of 12385752349 in words is "twelve billion, three hundred eighty-five million, seven hundred fifty-two thousand, three hundred forty-nine".