12444301957 has 2 divisors, whose sum is σ = 12444301958. Its totient is φ = 12444301956.

The previous prime is 12444301949. The next prime is 12444301963. The reversal of 12444301957 is 75910344421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7327188801 + 5117113156 = 85599^2 + 71534^2 .

It is a cyclic number.

It is not a de Polignac number, because 12444301957 - 2³ = 12444301949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444301357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222150978 + 6222150979.

It is an arithmetic number, because the mean of its divisors is an integer number (6222150979).

Almost surely, 2^12444301957 is an apocalyptic number.

It is an amenable number.

12444301957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444301957 is an equidigital number, since it uses as much as digits as its factorization.

12444301957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12444301957 in words is "twelve billion, four hundred forty-four million, three hundred one thousand, nine hundred fifty-seven".