41291637557 has 2 divisors, whose sum is σ = 41291637558. Its totient is φ = 41291637556.

The previous prime is 41291637533. The next prime is 41291637571. The reversal of 41291637557 is 75573619214.

41291637557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28210225681 + 13081411876 = 167959^2 + 114374^2 .

It is a cyclic number.

It is not a de Polignac number, because 41291637557 - 2²⁶ = 41224528693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41291637587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20645818778 + 20645818779.

It is an arithmetic number, because the mean of its divisors is an integer number (20645818779).

Almost surely, 2^41291637557 is an apocalyptic number.

It is an amenable number.

41291637557 is a deficient number, since it is larger than the sum of its proper divisors (1).

41291637557 is an equidigital number, since it uses as much as digits as its factorization.

41291637557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The spelling of 41291637557 in words is "forty-one billion, two hundred ninety-one million, six hundred thirty-seven thousand, five hundred fifty-seven".