44204381729 has 2 divisors, whose sum is σ = 44204381730. Its totient is φ = 44204381728.

The previous prime is 44204381723. The next prime is 44204381863. The reversal of 44204381729 is 92718340244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30782000704 + 13422381025 = 175448^2 + 115855^2 .

It is a cyclic number.

It is not a de Polignac number, because 44204381729 - 2⁴ = 44204381713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44204381729.

It is not a weakly prime, because it can be changed into another prime (44204381723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22102190864 + 22102190865.

It is an arithmetic number, because the mean of its divisors is an integer number (22102190865).

Almost surely, 2^44204381729 is an apocalyptic number.

It is an amenable number.

44204381729 is a deficient number, since it is larger than the sum of its proper divisors (1).

44204381729 is an equidigital number, since it uses as much as digits as its factorization.

44204381729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 44204381729 in words is "forty-four billion, two hundred four million, three hundred eighty-one thousand, seven hundred twenty-nine".