41671136749509 has 12 divisors (see below), whose sum is σ = 62420962044896. Its totient is φ = 27780757832844.

The previous prime is 41671136749481. The next prime is 41671136749523. The reversal of 41671136749509 is 90594763117614.

41671136749509 is a `hidden beast` number, since 4 + 1 + 6 + 7 + 1 + 136 + 7 + 495 + 0 + 9 = 666.

It is not a de Polignac number, because 41671136749509 - 2²⁰ = 41671135700933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41671136749309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85743079489 + ... + 85743079974.

Almost surely, 2^{41671136749509} is an apocalyptic number.

It is an amenable number.

41671136749509 is a deficient number, since it is larger than the sum of its proper divisors (20749825295387).

41671136749509 is an equidigital number, since it uses as much as digits as its factorization.

41671136749509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171486159478 (or 171486159466 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 41671136749509 in words is "forty-one trillion, six hundred seventy-one billion, one hundred thirty-six million, seven hundred forty-nine thousand, five hundred nine".