9041812681 has 8 divisors (see below), whose sum is σ = 9864656064. Its totient is φ = 8219112720.

The previous prime is 9041812669. The next prime is 9041812699. The reversal of 9041812681 is 1862181409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9041812681 is a prime.

It is a super-2 number, since 2×9041812681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9041812081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128911 + ... + 186283.

It is an arithmetic number, because the mean of its divisors is an integer number (1233082008).

Almost surely, 2^9041812681 is an apocalyptic number.

It is an amenable number.

9041812681 is a deficient number, since it is larger than the sum of its proper divisors (822843383).

9041812681 is a wasteful number, since it uses less digits than its factorization.

9041812681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71711.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 9041812681 is about 95088.4466220792. The cubic root of 9041812681 is about 2083.3001022596.

The spelling of 9041812681 in words is "nine billion, forty-one million, eight hundred twelve thousand, six hundred eighty-one".