41873027681 has 2 divisors, whose sum is σ = 41873027682. Its totient is φ = 41873027680.

The previous prime is 41873027639. The next prime is 41873027711. The reversal of 41873027681 is 18672037814.

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., 28084397056 + 13788630625 = 167584^2 + 117425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41873027681 is a prime.

It is a super-2 number, since 2×41873027681² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41873077681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20936513840 + 20936513841.

It is an arithmetic number, because the mean of its divisors is an integer number (20936513841).

Almost surely, 2^41873027681 is an apocalyptic number.

It is an amenable number.

41873027681 is a deficient number, since it is larger than the sum of its proper divisors (1).

41873027681 is an equidigital number, since it uses as much as digits as its factorization.

41873027681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 41873027681 in words is "forty-one billion, eight hundred seventy-three million, twenty-seven thousand, six hundred eighty-one".