8135885273 has 2 divisors, whose sum is σ = 8135885274. Its totient is φ = 8135885272.

The previous prime is 8135885239. The next prime is 8135885323. The reversal of 8135885273 is 3725885318.

It is an a-pointer prime, because the next prime (8135885323) can be obtained adding 8135885273 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8126661904 + 9223369 = 90148^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 8135885273 - 2⁶ = 8135885209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8135885773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067942636 + 4067942637.

It is an arithmetic number, because the mean of its divisors is an integer number (4067942637).

Almost surely, 2^8135885273 is an apocalyptic number.

It is an amenable number.

8135885273 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135885273 is an equidigital number, since it uses as much as digits as its factorization.

8135885273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 50.

The square root of 8135885273 is about 90199.1423074521. The cubic root of 8135885273 is about 2011.2602570781.

The spelling of 8135885273 in words is "eight billion, one hundred thirty-five million, eight hundred eighty-five thousand, two hundred seventy-three".