44521212497 has 2 divisors, whose sum is σ = 44521212498. Its totient is φ = 44521212496.

The previous prime is 44521212469. The next prime is 44521212563. The reversal of 44521212497 is 79421212544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27012894736 + 17508317761 = 164356^2 + 132319^2 .

It is a cyclic number.

It is not a de Polignac number, because 44521212497 - 2¹² = 44521208401 is a prime.

It is not a weakly prime, because it can be changed into another prime (44521212427) 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, 22260606248 + 22260606249.

It is an arithmetic number, because the mean of its divisors is an integer number (22260606249).

Almost surely, 2^44521212497 is an apocalyptic number.

It is an amenable number.

44521212497 is a deficient number, since it is larger than the sum of its proper divisors (1).

44521212497 is an equidigital number, since it uses as much as digits as its factorization.

44521212497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The spelling of 44521212497 in words is "forty-four billion, five hundred twenty-one million, two hundred twelve thousand, four hundred ninety-seven".