9611347681 has 32 divisors (see below), whose sum is σ = 11199541248. Its totient is φ = 8169154560.

The previous prime is 9611347639. The next prime is 9611347703. The reversal of 9611347681 is 1867431169.

It is a cyclic number.

It is not a de Polignac number, because 9611347681 - 2¹¹ = 9611345633 is a prime.

It is a super-2 number, since 2×9611347681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9611347621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2046546 + ... + 2051236.

It is an arithmetic number, because the mean of its divisors is an integer number (349985664).

Almost surely, 2^9611347681 is an apocalyptic number.

It is an amenable number.

9611347681 is a deficient number, since it is larger than the sum of its proper divisors (1588193567).

9611347681 is a wasteful number, since it uses less digits than its factorization.

9611347681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its digits is 217728, while the sum is 46.

The square root of 9611347681 is about 98037.4810008907. The cubic root of 9611347681 is about 2126.1542190763.

The spelling of 9611347681 in words is "nine billion, six hundred eleven million, three hundred forty-seven thousand, six hundred eighty-one".