44181586061 has 2 divisors, whose sum is σ = 44181586062. Its totient is φ = 44181586060.

The previous prime is 44181586049. The next prime is 44181586067. The reversal of 44181586061 is 16068518144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41734404100 + 2447181961 = 204290^2 + 49469^2 .

It is a cyclic number.

It is not a de Polignac number, because 44181586061 - 2³⁰ = 43107844237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44181586067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22090793030 + 22090793031.

It is an arithmetic number, because the mean of its divisors is an integer number (22090793031).

Almost surely, 2^44181586061 is an apocalyptic number.

It is an amenable number.

44181586061 is a deficient number, since it is larger than the sum of its proper divisors (1).

44181586061 is an equidigital number, since it uses as much as digits as its factorization.

44181586061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 44181586061 in words is "forty-four billion, one hundred eighty-one million, five hundred eighty-six thousand, sixty-one".