41897412891 has 24 divisors (see below), whose sum is σ = 62769483504. Its totient is φ = 27927348480.

The previous prime is 41897412863. The next prime is 41897412941. The reversal of 41897412891 is 19821479814.

It is not a de Polignac number, because 41897412891 - 2⁵ = 41897412859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41897412811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3020131 + ... + 3033971.

It is an arithmetic number, because the mean of its divisors is an integer number (2615395146).

Almost surely, 2^41897412891 is an apocalyptic number.

41897412891 is a deficient number, since it is larger than the sum of its proper divisors (20872070613).

41897412891 is a wasteful number, since it uses less digits than its factorization.

41897412891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26313 (or 26301 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The spelling of 41897412891 in words is "forty-one billion, eight hundred ninety-seven million, four hundred twelve thousand, eight hundred ninety-one".