12444660626 has 4 divisors (see below), whose sum is σ = 18666990942. Its totient is φ = 6222330312.

The previous prime is 12444660607. The next prime is 12444660689. The reversal of 12444660626 is 62606644421.

12444660626 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 an emirpimes, since its reverse is a distinct semiprime: 62606644421 = 38317 ⋅1633913.

It can be written as a sum of positive squares in only one way, i.e., 9447645601 + 2997015025 = 97199^2 + 54745^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3111165155 + ... + 3111165158.

Almost surely, 2^12444660626 is an apocalyptic number.

12444660626 is a deficient number, since it is larger than the sum of its proper divisors (6222330316).

12444660626 is an equidigital number, since it uses as much as digits as its factorization.

12444660626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222330315.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 12444660626 in words is "twelve billion, four hundred forty-four million, six hundred sixty thousand, six hundred twenty-six".