13444452137 has 2 divisors, whose sum is σ = 13444452138. Its totient is φ = 13444452136.

The previous prime is 13444452101. The next prime is 13444452143. The reversal of 13444452137 is 73125444431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12375227536 + 1069224601 = 111244^2 + 32699^2 .

It is a cyclic number.

It is not a de Polignac number, because 13444452137 - 2¹⁰ = 13444451113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13444452137.

It is not a weakly prime, because it can be changed into another prime (13444452167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722226068 + 6722226069.

It is an arithmetic number, because the mean of its divisors is an integer number (6722226069).

Almost surely, 2^13444452137 is an apocalyptic number.

It is an amenable number.

13444452137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444452137 is an equidigital number, since it uses as much as digits as its factorization.

13444452137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 38.

Adding to 13444452137 its reverse (73125444431), we get a palindrome (86569896568).

The spelling of 13444452137 in words is "thirteen billion, four hundred forty-four million, four hundred fifty-two thousand, one hundred thirty-seven".