44326241681 has 2 divisors, whose sum is σ = 44326241682. Its totient is φ = 44326241680.

The previous prime is 44326241669. The next prime is 44326241689. The reversal of 44326241681 is 18614262344.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35425262656 + 8900979025 = 188216^2 + 94345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44326241681 is a prime.

It is a super-2 number, since 2×44326241681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44326241689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22163120840 + 22163120841.

It is an arithmetic number, because the mean of its divisors is an integer number (22163120841).

Almost surely, 2^44326241681 is an apocalyptic number.

It is an amenable number.

44326241681 is a deficient number, since it is larger than the sum of its proper divisors (1).

44326241681 is an equidigital number, since it uses as much as digits as its factorization.

44326241681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 41.

The spelling of 44326241681 in words is "forty-four billion, three hundred twenty-six million, two hundred forty-one thousand, six hundred eighty-one".