44463541721 has 2 divisors, whose sum is σ = 44463541722. Its totient is φ = 44463541720.

The previous prime is 44463541711. The next prime is 44463541747. The reversal of 44463541721 is 12714536444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28354855321 + 16108686400 = 168389^2 + 126920^2 .

It is a cyclic number.

It is not a de Polignac number, because 44463541721 - 2¹⁰ = 44463540697 is a prime.

It is not a weakly prime, because it can be changed into another prime (44463541711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22231770860 + 22231770861.

It is an arithmetic number, because the mean of its divisors is an integer number (22231770861).

Almost surely, 2^44463541721 is an apocalyptic number.

It is an amenable number.

44463541721 is a deficient number, since it is larger than the sum of its proper divisors (1).

44463541721 is an equidigital number, since it uses as much as digits as its factorization.

44463541721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 41.

The spelling of 44463541721 in words is "forty-four billion, four hundred sixty-three million, five hundred forty-one thousand, seven hundred twenty-one".