44616610561 has 2 divisors, whose sum is σ = 44616610562. Its totient is φ = 44616610560.

The previous prime is 44616610537. The next prime is 44616610637. The reversal of 44616610561 is 16501661644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30415360000 + 14201250561 = 174400^2 + 119169^2 .

It is a cyclic number.

It is not a de Polignac number, because 44616610561 - 2¹¹ = 44616608513 is a prime.

It is not a weakly prime, because it can be changed into another prime (44616610501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22308305280 + 22308305281.

It is an arithmetic number, because the mean of its divisors is an integer number (22308305281).

Almost surely, 2^44616610561 is an apocalyptic number.

It is an amenable number.

44616610561 is a deficient number, since it is larger than the sum of its proper divisors (1).

44616610561 is an equidigital number, since it uses as much as digits as its factorization.

44616610561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 44616610561 in words is "forty-four billion, six hundred sixteen million, six hundred ten thousand, five hundred sixty-one".