12144053849 has 2 divisors, whose sum is σ = 12144053850. Its totient is φ = 12144053848.

The previous prime is 12144053809. The next prime is 12144053861. The reversal of 12144053849 is 94835044121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7011047824 + 5133006025 = 83732^2 + 71645^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144053849 - 2²⁴ = 12127276633 is a prime.

It is a super-3 number, since 3×12144053849³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12144053809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072026924 + 6072026925.

It is an arithmetic number, because the mean of its divisors is an integer number (6072026925).

Almost surely, 2^12144053849 is an apocalyptic number.

It is an amenable number.

12144053849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144053849 is an equidigital number, since it uses as much as digits as its factorization.

12144053849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 12144053849 in words is "twelve billion, one hundred forty-four million, fifty-three thousand, eight hundred forty-nine".