44045164730521 has 2 divisors, whose sum is σ = 44045164730522. Its totient is φ = 44045164730520.

The previous prime is 44045164730503. The next prime is 44045164730533. The reversal of 44045164730521 is 12503746154044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43132253275225 + 912911455296 = 6567515^2 + 955464^2 .

It is a cyclic number.

It is not a de Polignac number, because 44045164730521 - 2⁹ = 44045164730009 is a prime.

It is a super-4 number, since 4×44045164730521⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (44045164730621) 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, 22022582365260 + 22022582365261.

It is an arithmetic number, because the mean of its divisors is an integer number (22022582365261).

Almost surely, 2^{44045164730521} is an apocalyptic number.

It is an amenable number.

44045164730521 is a deficient number, since it is larger than the sum of its proper divisors (1).

44045164730521 is an equidigital number, since it uses as much as digits as its factorization.

44045164730521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 44045164730521 in words is "forty-four trillion, forty-five billion, one hundred sixty-four million, seven hundred thirty thousand, five hundred twenty-one".