244644642349 has 2 divisors, whose sum is σ = 244644642350. Its totient is φ = 244644642348.

The previous prime is 244644642331. The next prime is 244644642373. The reversal of 244644642349 is 943246446442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222449006025 + 22195636324 = 471645^2 + 148982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244644642349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244644642296 and 244644642305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244644642149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122322321174 + 122322321175.

It is an arithmetic number, because the mean of its divisors is an integer number (122322321175).

Almost surely, 2^244644642349 is an apocalyptic number.

It is an amenable number.

244644642349 is a deficient number, since it is larger than the sum of its proper divisors (1).

244644642349 is an equidigital number, since it uses as much as digits as its factorization.

244644642349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 52.

The spelling of 244644642349 in words is "two hundred forty-four billion, six hundred forty-four million, six hundred forty-two thousand, three hundred forty-nine".