44121003137 has 2 divisors, whose sum is σ = 44121003138. Its totient is φ = 44121003136.

The previous prime is 44121003097. The next prime is 44121003161. The reversal of 44121003137 is 73130012144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24036161296 + 20084841841 = 155036^2 + 141721^2 .

It is a cyclic number.

It is not a de Polignac number, because 44121003137 - 2²⁰ = 44119954561 is a prime.

It is not a weakly prime, because it can be changed into another prime (44121033137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060501568 + 22060501569.

It is an arithmetic number, because the mean of its divisors is an integer number (22060501569).

Almost surely, 2^44121003137 is an apocalyptic number.

It is an amenable number.

44121003137 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121003137 is an equidigital number, since it uses as much as digits as its factorization.

44121003137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 44121003137 in words is "forty-four billion, one hundred twenty-one million, three thousand, one hundred thirty-seven".