41686862481 has 24 divisors (see below), whose sum is σ = 65932626240. Its totient is φ = 25170828000.

The previous prime is 41686862461. The next prime is 41686862501. The reversal of 41686862481 is 18426868614.

It is a happy number.

41686862481 is a `hidden beast` number, since 4 + 1 + 6 + 8 + 6 + 8 + 624 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (41686862461) and next prime (41686862501).

It is not a de Polignac number, because 41686862481 - 2¹³ = 41686854289 is a prime.

It is a super-2 number, since 2×41686862481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41686862461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756045 + ... + 809306.

It is an arithmetic number, because the mean of its divisors is an integer number (2747192760).

Almost surely, 2^41686862481 is an apocalyptic number.

It is an amenable number.

41686862481 is a deficient number, since it is larger than the sum of its proper divisors (24245763759).

41686862481 is a wasteful number, since it uses less digits than its factorization.

41686862481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565637 (or 1565634 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The spelling of 41686862481 in words is "forty-one billion, six hundred eighty-six million, eight hundred sixty-two thousand, four hundred eighty-one".