44521651531009 has 2 divisors, whose sum is σ = 44521651531010. Its totient is φ = 44521651531008.

The previous prime is 44521651530989. The next prime is 44521651531051. The reversal of 44521651531009 is 90013515612544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44495570250000 + 26081281009 = 6670500^2 + 161497^2 .

It is a cyclic number.

It is not a de Polignac number, because 44521651531009 - 2⁵ = 44521651530977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44521651531009.

It is not a weakly prime, because it can be changed into another prime (44521651531109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22260825765504 + 22260825765505.

It is an arithmetic number, because the mean of its divisors is an integer number (22260825765505).

Almost surely, 2^{44521651531009} is an apocalyptic number.

It is an amenable number.

44521651531009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44521651531009 is an equidigital number, since it uses as much as digits as its factorization.

44521651531009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 44521651531009 in words is "forty-four trillion, five hundred twenty-one billion, six hundred fifty-one million, five hundred thirty-one thousand, nine".