12246495749 has 4 divisors (see below), whose sum is σ = 12247074336. Its totient is φ = 12245917164.

The previous prime is 12246495739. The next prime is 12246495757. The reversal of 12246495749 is 94759464221.

It is a happy number.

12246495749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12246495749 - 2²⁴ = 12229718533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12246495749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12246495739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256289 + ... + 300294.

It is an arithmetic number, because the mean of its divisors is an integer number (3061768584).

Almost surely, 2^12246495749 is an apocalyptic number.

It is an amenable number.

12246495749 is a deficient number, since it is larger than the sum of its proper divisors (578587).

12246495749 is an equidigital number, since it uses as much as digits as its factorization.

12246495749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578586.

The product of its digits is 4354560, while the sum is 53.

The spelling of 12246495749 in words is "twelve billion, two hundred forty-six million, four hundred ninety-five thousand, seven hundred forty-nine".