104442684281609 has 2 divisors, whose sum is σ = 104442684281610. Its totient is φ = 104442684281608.

The previous prime is 104442684281519. The next prime is 104442684281641. The reversal of 104442684281609 is 906182486244401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102689038273600 + 1753646008009 = 10133560^2 + 1324253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104442684281609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (104442684280609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52221342140804 + 52221342140805.

It is an arithmetic number, because the mean of its divisors is an integer number (52221342140805).

Almost surely, 2^{104442684281609} is an apocalyptic number.

It is an amenable number.

104442684281609 is a deficient number, since it is larger than the sum of its proper divisors (1).

104442684281609 is an equidigital number, since it uses as much as digits as its factorization.

104442684281609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21233664, while the sum is 59.

The spelling of 104442684281609 in words is "one hundred four trillion, four hundred forty-two billion, six hundred eighty-four million, two hundred eighty-one thousand, six hundred nine".