8308147213 has 2 divisors, whose sum is σ = 8308147214. Its totient is φ = 8308147212.

The previous prime is 8308147181. The next prime is 8308147249. The reversal of 8308147213 is 3127418038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8142716169 + 165431044 = 90237^2 + 12862^2 .

It is a cyclic number.

It is not a de Polignac number, because 8308147213 - 2⁵ = 8308147181 is a prime.

It is a super-2 number, since 2×8308147213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8308147513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4154073606 + 4154073607.

It is an arithmetic number, because the mean of its divisors is an integer number (4154073607).

Almost surely, 2^8308147213 is an apocalyptic number.

It is an amenable number.

8308147213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8308147213 is an equidigital number, since it uses as much as digits as its factorization.

8308147213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 8308147213 is about 91149.0384644841. The cubic root of 8308147213 is about 2025.3561097442.

The spelling of 8308147213 in words is "eight billion, three hundred eight million, one hundred forty-seven thousand, two hundred thirteen".