41097881809 has 16 divisors (see below), whose sum is σ = 43466230080. Its totient is φ = 38750330880.

The previous prime is 41097881789. The next prime is 41097881911. The reversal of 41097881809 is 90818879014.

It is a cyclic number.

It is not a de Polignac number, because 41097881809 - 2⁷ = 41097881681 is a prime.

It is a super-2 number, since 2×41097881809² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41097881809.

It is not an unprimeable number, because it can be changed into a prime (41097885809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7228882 + ... + 7234564.

It is an arithmetic number, because the mean of its divisors is an integer number (2716639380).

Almost surely, 2^41097881809 is an apocalyptic number.

It is an amenable number.

41097881809 is a deficient number, since it is larger than the sum of its proper divisors (2368348271).

41097881809 is a wasteful number, since it uses less digits than its factorization.

41097881809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440.

The product of its (nonzero) digits is 1161216, while the sum is 55.

The spelling of 41097881809 in words is "forty-one billion, ninety-seven million, eight hundred eighty-one thousand, eight hundred nine".