12440369941 has 2 divisors, whose sum is σ = 12440369942. Its totient is φ = 12440369940.

The previous prime is 12440369831. The next prime is 12440369999. The reversal of 12440369941 is 14996304421.

12440369941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11507067441 + 933302500 = 107271^2 + 30550^2 .

It is a cyclic number.

It is not a de Polignac number, because 12440369941 - 2¹³ = 12440361749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440366941) 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 as a sum of consecutive naturals, namely, 6220184970 + 6220184971.

It is an arithmetic number, because the mean of its divisors is an integer number (6220184971).

Almost surely, 2^12440369941 is an apocalyptic number.

It is an amenable number.

12440369941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440369941 is an equidigital number, since it uses as much as digits as its factorization.

12440369941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 12440369941 in words is "twelve billion, four hundred forty million, three hundred sixty-nine thousand, nine hundred forty-one".