8635161473 has 2 divisors, whose sum is σ = 8635161474. Its totient is φ = 8635161472.

The previous prime is 8635161463. The next prime is 8635161533. The reversal of 8635161473 is 3741615368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462712049 + 172449424 = 91993^2 + 13132^2 .

It is a cyclic number.

It is not a de Polignac number, because 8635161473 - 2¹⁰ = 8635160449 is a prime.

It is not a weakly prime, because it can be changed into another prime (8635161463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4317580736 + 4317580737.

It is an arithmetic number, because the mean of its divisors is an integer number (4317580737).

Almost surely, 2^8635161473 is an apocalyptic number.

It is an amenable number.

8635161473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8635161473 is an equidigital number, since it uses as much as digits as its factorization.

8635161473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 8635161473 is about 92925.5695328256. The cubic root of 8635161473 is about 2051.5880198202.

The spelling of 8635161473 in words is "eight billion, six hundred thirty-five million, one hundred sixty-one thousand, four hundred seventy-three".