6345850513 has 2 divisors, whose sum is σ = 6345850514. Its totient is φ = 6345850512.

The previous prime is 6345850493. The next prime is 6345850607. The reversal of 6345850513 is 3150585436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5059050129 + 1286800384 = 71127^2 + 35872^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345850513 - 2¹⁷ = 6345719441 is a prime.

It is not a weakly prime, because it can be changed into another prime (6345850813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172925256 + 3172925257.

It is an arithmetic number, because the mean of its divisors is an integer number (3172925257).

Almost surely, 2^6345850513 is an apocalyptic number.

It is an amenable number.

6345850513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345850513 is an equidigital number, since it uses as much as digits as its factorization.

6345850513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 6345850513 is about 79660.8468006712. The cubic root of 6345850513 is about 1851.3844531389.

The spelling of 6345850513 in words is "six billion, three hundred forty-five million, eight hundred fifty thousand, five hundred thirteen".