841820605906 has 24 divisors (see below), whose sum is σ = 1463160754944. Its totient is φ = 355838032800.

The previous prime is 841820605903. The next prime is 841820605921. The reversal of 841820605906 is 609506028148.

It is a self number, because there is not a number n which added to its sum of digits gives 841820605906.

It is not an unprimeable number, because it can be changed into a prime (841820605903) 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, 5567170 + ... + 5716381.

It is an arithmetic number, because the mean of its divisors is an integer number (60965031456).

Almost surely, 2^841820605906 is an apocalyptic number.

841820605906 is a deficient number, since it is larger than the sum of its proper divisors (621340149038).

841820605906 is a wasteful number, since it uses less digits than its factorization.

841820605906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283706 (or 11283633 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 841820605906 in words is "eight hundred forty-one billion, eight hundred twenty million, six hundred five thousand, nine hundred six".