9084713681 has 4 divisors (see below), whose sum is σ = 9397979700. Its totient is φ = 8771447664.

The previous prime is 9084713669. The next prime is 9084713699. The reversal of 9084713681 is 1863174809.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3411611281 + 5673102400 = 58409^2 + 75320^2 .

It is a cyclic number.

It is not a de Polignac number, because 9084713681 - 2²² = 9080519377 is a prime.

It is a super-2 number, since 2×9084713681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9084713611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156632966 + ... + 156633023.

It is an arithmetic number, because the mean of its divisors is an integer number (2349494925).

Almost surely, 2^9084713681 is an apocalyptic number.

It is an amenable number.

9084713681 is a deficient number, since it is larger than the sum of its proper divisors (313266019).

9084713681 is a wasteful number, since it uses less digits than its factorization.

9084713681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313266018.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 9084713681 is about 95313.7643837447. The cubic root of 9084713681 is about 2086.5898067204.

The spelling of 9084713681 in words is "nine billion, eighty-four million, seven hundred thirteen thousand, six hundred eighty-one".