444105501409 has 2 divisors, whose sum is σ = 444105501410. Its totient is φ = 444105501408.

The previous prime is 444105501397. The next prime is 444105501457. The reversal of 444105501409 is 904105501444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309047046400 + 135058455009 = 555920^2 + 367503^2 .

It is a cyclic number.

It is not a de Polignac number, because 444105501409 - 2⁹ = 444105500897 is a prime.

It is not a weakly prime, because it can be changed into another prime (444105501109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222052750704 + 222052750705.

It is an arithmetic number, because the mean of its divisors is an integer number (222052750705).

Almost surely, 2^444105501409 is an apocalyptic number.

It is an amenable number.

444105501409 is a deficient number, since it is larger than the sum of its proper divisors (1).

444105501409 is an equidigital number, since it uses as much as digits as its factorization.

444105501409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 444105501409 in words is "four hundred forty-four billion, one hundred five million, five hundred one thousand, four hundred nine".