44081221607 has 2 divisors, whose sum is σ = 44081221608. Its totient is φ = 44081221606.

The previous prime is 44081221603. The next prime is 44081221673. The reversal of 44081221607 is 70612218044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44081221607 - 2² = 44081221603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44081221603) 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, 22040610803 + 22040610804.

It is an arithmetic number, because the mean of its divisors is an integer number (22040610804).

Almost surely, 2^44081221607 is an apocalyptic number.

44081221607 is a deficient number, since it is larger than the sum of its proper divisors (1).

44081221607 is an equidigital number, since it uses as much as digits as its factorization.

44081221607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 44081221607 in words is "forty-four billion, eighty-one million, two hundred twenty-one thousand, six hundred seven".