8331376213 has 2 divisors, whose sum is σ = 8331376214. Its totient is φ = 8331376212.

The previous prime is 8331376211. The next prime is 8331376289. The reversal of 8331376213 is 3126731338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8318716849 + 12659364 = 91207^2 + 3558^2 .

It is a cyclic number.

It is not a de Polignac number, because 8331376213 - 2¹ = 8331376211 is a prime.

Together with 8331376211, 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 (8331376211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4165688106 + 4165688107.

It is an arithmetic number, because the mean of its divisors is an integer number (4165688107).

Almost surely, 2^8331376213 is an apocalyptic number.

It is an amenable number.

8331376213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8331376213 is an equidigital number, since it uses as much as digits as its factorization.

8331376213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 8331376213 is about 91276.3726985248. The cubic root of 8331376213 is about 2027.2419380819.

The spelling of 8331376213 in words is "eight billion, three hundred thirty-one million, three hundred seventy-six thousand, two hundred thirteen".