44044784516521 has 2 divisors, whose sum is σ = 44044784516522. Its totient is φ = 44044784516520.

The previous prime is 44044784516431. The next prime is 44044784516533. The reversal of 44044784516521 is 12561548744044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29694598025625 + 14350186490896 = 5449275^2 + 3788164^2 .

It is a cyclic number.

It is not a de Polignac number, because 44044784516521 - 2¹¹ = 44044784514473 is a prime.

It is a super-3 number, since 3×44044784516521³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (44044784516561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22022392258260 + 22022392258261.

It is an arithmetic number, because the mean of its divisors is an integer number (22022392258261).

Almost surely, 2^{44044784516521} is an apocalyptic number.

It is an amenable number.

44044784516521 is a deficient number, since it is larger than the sum of its proper divisors (1).

44044784516521 is an equidigital number, since it uses as much as digits as its factorization.

44044784516521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17203200, while the sum is 55.

The spelling of 44044784516521 in words is "forty-four trillion, forty-four billion, seven hundred eighty-four million, five hundred sixteen thousand, five hundred twenty-one".