6445596343 has 2 divisors, whose sum is σ = 6445596344. Its totient is φ = 6445596342.

The previous prime is 6445596331. The next prime is 6445596371. The reversal of 6445596343 is 3436955446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6445596343 - 2²¹ = 6443499191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6445596943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222798171 + 3222798172.

It is an arithmetic number, because the mean of its divisors is an integer number (3222798172).

Almost surely, 2^6445596343 is an apocalyptic number.

6445596343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6445596343 is an equidigital number, since it uses as much as digits as its factorization.

6445596343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 49.

The square root of 6445596343 is about 80284.4713690014. The cubic root of 6445596343 is about 1861.0342595491.

The spelling of 6445596343 in words is "six billion, four hundred forty-five million, five hundred ninety-six thousand, three hundred forty-three".