244506322609 has 2 divisors, whose sum is σ = 244506322610. Its totient is φ = 244506322608.

The previous prime is 244506322597. The next prime is 244506322729. The reversal of 244506322609 is 906223605442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148049491984 + 96456830625 = 384772^2 + 310575^2 .

It is a cyclic number.

It is not a de Polignac number, because 244506322609 - 2¹³ = 244506314417 is a prime.

It is not a weakly prime, because it can be changed into another prime (244506322309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122253161304 + 122253161305.

It is an arithmetic number, because the mean of its divisors is an integer number (122253161305).

Almost surely, 2^244506322609 is an apocalyptic number.

It is an amenable number.

244506322609 is a deficient number, since it is larger than the sum of its proper divisors (1).

244506322609 is an equidigital number, since it uses as much as digits as its factorization.

244506322609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 244506322609 in words is "two hundred forty-four billion, five hundred six million, three hundred twenty-two thousand, six hundred nine".