6343308857 has 2 divisors, whose sum is σ = 6343308858. Its totient is φ = 6343308856.

The previous prime is 6343308847. The next prime is 6343308883. The reversal of 6343308857 is 7588033436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6281513536 + 61795321 = 79256^2 + 7861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6343308857 is a prime.

It is not a weakly prime, because it can be changed into another prime (6343308847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171654428 + 3171654429.

It is an arithmetic number, because the mean of its divisors is an integer number (3171654429).

Almost surely, 2^6343308857 is an apocalyptic number.

It is an amenable number.

6343308857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6343308857 is an equidigital number, since it uses as much as digits as its factorization.

6343308857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The square root of 6343308857 is about 79644.8922216610. The cubic root of 6343308857 is about 1851.1372464135.

The spelling of 6343308857 in words is "six billion, three hundred forty-three million, three hundred eight thousand, eight hundred fifty-seven".