41287829509 has 2 divisors, whose sum is σ = 41287829510. Its totient is φ = 41287829508.

The previous prime is 41287829459. The next prime is 41287829567. The reversal of 41287829509 is 90592878214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33847904484 + 7439925025 = 183978^2 + 86255^2 .

It is a cyclic number.

It is not a de Polignac number, because 41287829509 - 2⁷ = 41287829381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41287829509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41287824509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20643914754 + 20643914755.

It is an arithmetic number, because the mean of its divisors is an integer number (20643914755).

Almost surely, 2^41287829509 is an apocalyptic number.

It is an amenable number.

41287829509 is a deficient number, since it is larger than the sum of its proper divisors (1).

41287829509 is an equidigital number, since it uses as much as digits as its factorization.

41287829509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 41287829509 in words is "forty-one billion, two hundred eighty-seven million, eight hundred twenty-nine thousand, five hundred nine".