9815162841 has 12 divisors (see below), whose sum is σ = 15466317360. Its totient is φ = 5948583480.

The previous prime is 9815162837. The next prime is 9815162873. The reversal of 9815162841 is 1482615189.

It is a happy number.

9815162841 is a `hidden beast` number, since 9 + 8 + 15 + 1 + 628 + 4 + 1 = 666.

It is not a de Polignac number, because 9815162841 - 2² = 9815162837 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9815162341) 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 11 ways as a sum of consecutive naturals, for example, 49571431 + ... + 49571628.

It is an arithmetic number, because the mean of its divisors is an integer number (1288859780).

Almost surely, 2^9815162841 is an apocalyptic number.

It is an amenable number.

9815162841 is a deficient number, since it is larger than the sum of its proper divisors (5651154519).

9815162841 is a wasteful number, since it uses less digits than its factorization.

9815162841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99143076 (or 99143073 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 9815162841 is about 99071.5036778992. The cubic root of 9815162841 is about 2141.0780692789.

The spelling of 9815162841 in words is "nine billion, eight hundred fifteen million, one hundred sixty-two thousand, eight hundred forty-one".