8212815343 has 2 divisors, whose sum is σ = 8212815344. Its totient is φ = 8212815342.

The previous prime is 8212815269. The next prime is 8212815383. The reversal of 8212815343 is 3435182128.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8212815343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8212815383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106407671 + 4106407672.

It is an arithmetic number, because the mean of its divisors is an integer number (4106407672).

Almost surely, 2^8212815343 is an apocalyptic number.

8212815343 is a deficient number, since it is larger than the sum of its proper divisors (1).

8212815343 is an equidigital number, since it uses as much as digits as its factorization.

8212815343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 8212815343 is about 90624.5846500827. The cubic root of 8212815343 is about 2017.5796373523.

The spelling of 8212815343 in words is "eight billion, two hundred twelve million, eight hundred fifteen thousand, three hundred forty-three".