13144252273 has 2 divisors, whose sum is σ = 13144252274. Its totient is φ = 13144252272.

The previous prime is 13144252271. The next prime is 13144252351. The reversal of 13144252273 is 37225244131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12772842289 + 371409984 = 113017^2 + 19272^2 .

It is a cyclic number.

It is not a de Polignac number, because 13144252273 - 2¹ = 13144252271 is a prime.

Together with 13144252271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13144252271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572126136 + 6572126137.

It is an arithmetic number, because the mean of its divisors is an integer number (6572126137).

Almost surely, 2^13144252273 is an apocalyptic number.

It is an amenable number.

13144252273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144252273 is an equidigital number, since it uses as much as digits as its factorization.

13144252273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The spelling of 13144252273 in words is "thirteen billion, one hundred forty-four million, two hundred fifty-two thousand, two hundred seventy-three".