8442904113 has 24 divisors (see below), whose sum is σ = 13943082816. Its totient is φ = 4822581600.

The previous prime is 8442904109. The next prime is 8442904177. The reversal of 8442904113 is 3114092448.

It is a happy number.

It is not a de Polignac number, because 8442904113 - 2² = 8442904109 is a prime.

It is a super-2 number, since 2×8442904113² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8442904103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139558 + ... + 190688.

It is an arithmetic number, because the mean of its divisors is an integer number (580961784).

Almost surely, 2^8442904113 is an apocalyptic number.

It is an amenable number.

8442904113 is a deficient number, since it is larger than the sum of its proper divisors (5500178703).

8442904113 is a wasteful number, since it uses less digits than its factorization.

8442904113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53765 (or 53762 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8442904113 is about 91885.2769109393. The cubic root of 8442904113 is about 2036.2477573016.

The spelling of 8442904113 in words is "eight billion, four hundred forty-two million, nine hundred four thousand, one hundred thirteen".