41865286009 has 2 divisors, whose sum is σ = 41865286010. Its totient is φ = 41865286008.

The previous prime is 41865285971. The next prime is 41865286031. The reversal of 41865286009 is 90068256814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27429984400 + 14435301609 = 165620^2 + 120147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41865286009 is a prime.

It is a super-2 number, since 2×41865286009² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41865286609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932643004 + 20932643005.

It is an arithmetic number, because the mean of its divisors is an integer number (20932643005).

Almost surely, 2^41865286009 is an apocalyptic number.

It is an amenable number.

41865286009 is a deficient number, since it is larger than the sum of its proper divisors (1).

41865286009 is an equidigital number, since it uses as much as digits as its factorization.

41865286009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 41865286009 in words is "forty-one billion, eight hundred sixty-five million, two hundred eighty-six thousand, nine".