8899273213 has 2 divisors, whose sum is σ = 8899273214. Its totient is φ = 8899273212.

The previous prime is 8899273211. The next prime is 8899273247. The reversal of 8899273213 is 3123729988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6836478489 + 2062794724 = 82683^2 + 45418^2 .

It is a cyclic number.

It is not a de Polignac number, because 8899273213 - 2¹ = 8899273211 is a prime.

Together with 8899273211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8899273211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449636606 + 4449636607.

It is an arithmetic number, because the mean of its divisors is an integer number (4449636607).

Almost surely, 2^8899273213 is an apocalyptic number.

It is an amenable number.

8899273213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8899273213 is an equidigital number, since it uses as much as digits as its factorization.

8899273213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 8899273213 is about 94335.9592785275. The cubic root of 8899273213 is about 2072.2946861178.

The spelling of 8899273213 in words is "eight billion, eight hundred ninety-nine million, two hundred seventy-three thousand, two hundred thirteen".