9436761161 has 2 divisors, whose sum is σ = 9436761162. Its totient is φ = 9436761160.

The previous prime is 9436761143. The next prime is 9436761203. The reversal of 9436761161 is 1611676349.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8488121161 + 948640000 = 92131^2 + 30800^2 .

It is a cyclic number.

It is not a de Polignac number, because 9436761161 - 2¹⁴ = 9436744777 is a prime.

It is a super-2 number, since 2×9436761161² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9436761101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4718380580 + 4718380581.

It is an arithmetic number, because the mean of its divisors is an integer number (4718380581).

Almost surely, 2^9436761161 is an apocalyptic number.

It is an amenable number.

9436761161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9436761161 is an equidigital number, since it uses as much as digits as its factorization.

9436761161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 9436761161 is about 97142.9933705978. The cubic root of 9436761161 is about 2113.2018772341.

The spelling of 9436761161 in words is "nine billion, four hundred thirty-six million, seven hundred sixty-one thousand, one hundred sixty-one".