41891781429 has 36 divisors (see below), whose sum is σ = 64326618720. Its totient is φ = 26265636480.

The previous prime is 41891781409. The next prime is 41891781431. The reversal of 41891781429 is 92418719814.

41891781429 is a `hidden beast` number, since 41 + 8 + 9 + 178 + 1 + 429 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-41891781429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41891781409) 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 35 ways as a sum of consecutive naturals, for example, 4049794 + ... + 4060124.

It is an arithmetic number, because the mean of its divisors is an integer number (1786850520).

Almost surely, 2^41891781429 is an apocalyptic number.

It is an amenable number.

41891781429 is a deficient number, since it is larger than the sum of its proper divisors (22434837291).

41891781429 is a wasteful number, since it uses less digits than its factorization.

41891781429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930 (or 11910 counting only the distinct ones).

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

The spelling of 41891781429 in words is "forty-one billion, eight hundred ninety-one million, seven hundred eighty-one thousand, four hundred twenty-nine".