5144653656449 has 2 divisors, whose sum is σ = 5144653656450. Its totient is φ = 5144653656448.

The previous prime is 5144653656437. The next prime is 5144653656517. The reversal of 5144653656449 is 9446563564415.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3207913834225 + 1936739822224 = 1791065^2 + 1391668^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144653656449 - 2³² = 5140358689153 is a prime.

It is a super-2 number, since 2×5144653656449² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5144653656391 and 5144653656400.

It is not a weakly prime, because it can be changed into another prime (5144653656049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572326828224 + 2572326828225.

It is an arithmetic number, because the mean of its divisors is an integer number (2572326828225).

Almost surely, 2^{5144653656449} is an apocalyptic number.

It is an amenable number.

5144653656449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144653656449 is an equidigital number, since it uses as much as digits as its factorization.

5144653656449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624000, while the sum is 62.

The spelling of 5144653656449 in words is "five trillion, one hundred forty-four billion, six hundred fifty-three million, six hundred fifty-six thousand, four hundred forty-nine".