8616109361 has 2 divisors, whose sum is σ = 8616109362. Its totient is φ = 8616109360.

The previous prime is 8616109319. The next prime is 8616109423. The reversal of 8616109361 is 1639016168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8307228736 + 308880625 = 91144^2 + 17575^2 .

It is a cyclic number.

It is not a de Polignac number, because 8616109361 - 2¹⁰ = 8616108337 is a prime.

It is not a weakly prime, because it can be changed into another prime (8616109301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4308054680 + 4308054681.

It is an arithmetic number, because the mean of its divisors is an integer number (4308054681).

Almost surely, 2^8616109361 is an apocalyptic number.

It is an amenable number.

8616109361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8616109361 is an equidigital number, since it uses as much as digits as its factorization.

8616109361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 8616109361 is about 92823.0001723711. Note that the first 3 decimals coincide. The cubic root of 8616109361 is about 2050.0780744407.

The spelling of 8616109361 in words is "eight billion, six hundred sixteen million, one hundred nine thousand, three hundred sixty-one".