41181836669 has 2 divisors, whose sum is σ = 41181836670. Its totient is φ = 41181836668.

The previous prime is 41181836659. The next prime is 41181836701. The reversal of 41181836669 is 96663818114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40305380644 + 876456025 = 200762^2 + 29605^2 .

It is a cyclic number.

It is not a de Polignac number, because 41181836669 - 2¹⁶ = 41181771133 is a prime.

It is a super-2 number, since 2×41181836669² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41181836669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41181836639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20590918334 + 20590918335.

It is an arithmetic number, because the mean of its divisors is an integer number (20590918335).

Almost surely, 2^41181836669 is an apocalyptic number.

It is an amenable number.

41181836669 is a deficient number, since it is larger than the sum of its proper divisors (1).

41181836669 is an equidigital number, since it uses as much as digits as its factorization.

41181836669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 53.

The spelling of 41181836669 in words is "forty-one billion, one hundred eighty-one million, eight hundred thirty-six thousand, six hundred sixty-nine".