41684265716557 has 2 divisors, whose sum is σ = 41684265716558. Its totient is φ = 41684265716556.

The previous prime is 41684265716473. The next prime is 41684265716581. The reversal of 41684265716557 is 75561756248614.

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., 27354929277636 + 14329336438921 = 5230194^2 + 3785411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41684265716557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41684265716492 and 41684265716501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41684265717557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20842132858278 + 20842132858279.

It is an arithmetic number, because the mean of its divisors is an integer number (20842132858279).

Almost surely, 2^{41684265716557} is an apocalyptic number.

It is an amenable number.

41684265716557 is a deficient number, since it is larger than the sum of its proper divisors (1).

41684265716557 is an equidigital number, since it uses as much as digits as its factorization.

41684265716557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688000, while the sum is 67.

The spelling of 41684265716557 in words is "forty-one trillion, six hundred eighty-four billion, two hundred sixty-five million, seven hundred sixteen thousand, five hundred fifty-seven".