44081461691 has 2 divisors, whose sum is σ = 44081461692. Its totient is φ = 44081461690.

The previous prime is 44081461679. The next prime is 44081461777. The reversal of 44081461691 is 19616418044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44081461691 - 2¹⁴ = 44081445307 is a prime.

It is not a weakly prime, because it can be changed into another prime (44081466691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22040730845 + 22040730846.

It is an arithmetic number, because the mean of its divisors is an integer number (22040730846).

Almost surely, 2^44081461691 is an apocalyptic number.

44081461691 is a deficient number, since it is larger than the sum of its proper divisors (1).

44081461691 is an equidigital number, since it uses as much as digits as its factorization.

44081461691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 44081461691 in words is "forty-four billion, eighty-one million, four hundred sixty-one thousand, six hundred ninety-one".