44536065109 has 2 divisors, whose sum is σ = 44536065110. Its totient is φ = 44536065108.

The previous prime is 44536065073. The next prime is 44536065173. The reversal of 44536065109 is 90156063544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42692650884 + 1843414225 = 206622^2 + 42935^2 .

It is a cyclic number.

It is not a de Polignac number, because 44536065109 - 2⁹ = 44536064597 is a prime.

It is a super-2 number, since 2×44536065109² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44536465109) 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, 22268032554 + 22268032555.

It is an arithmetic number, because the mean of its divisors is an integer number (22268032555).

Almost surely, 2^44536065109 is an apocalyptic number.

It is an amenable number.

44536065109 is a deficient number, since it is larger than the sum of its proper divisors (1).

44536065109 is an equidigital number, since it uses as much as digits as its factorization.

44536065109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 44536065109 in words is "forty-four billion, five hundred thirty-six million, sixty-five thousand, one hundred nine".