41731660613 has 2 divisors, whose sum is σ = 41731660614. Its totient is φ = 41731660612.

The previous prime is 41731660583. The next prime is 41731660627. The reversal of 41731660613 is 31606613714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35037475489 + 6694185124 = 187183^2 + 81818^2 .

It is a cyclic number.

It is not a de Polignac number, because 41731660613 - 2⁶ = 41731660549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41731660013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20865830306 + 20865830307.

It is an arithmetic number, because the mean of its divisors is an integer number (20865830307).

Almost surely, 2^41731660613 is an apocalyptic number.

It is an amenable number.

41731660613 is a deficient number, since it is larger than the sum of its proper divisors (1).

41731660613 is an equidigital number, since it uses as much as digits as its factorization.

41731660613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 41731660613 in words is "forty-one billion, seven hundred thirty-one million, six hundred sixty thousand, six hundred thirteen".