2544144397 has 2 divisors, whose sum is σ = 2544144398. Its totient is φ = 2544144396.

The previous prime is 2544144377. The next prime is 2544144409. The reversal of 2544144397 is 7934414452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2378610441 + 165533956 = 48771^2 + 12866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544144397 - 2²⁷ = 2409926669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544144307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272072198 + 1272072199.

It is an arithmetic number, because the mean of its divisors is an integer number (1272072199).

Almost surely, 2^2544144397 is an apocalyptic number.

It is an amenable number.

2544144397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544144397 is an equidigital number, since it uses as much as digits as its factorization.

2544144397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 2544144397 is about 50439.5122597354. The cubic root of 2544144397 is about 1365.1506669060.

The spelling of 2544144397 in words is "two billion, five hundred forty-four million, one hundred forty-four thousand, three hundred ninety-seven".