6340643062 has 32 divisors (see below), whose sum is σ = 10320498720. Its totient is φ = 2921536800.

The previous prime is 6340643041. The next prime is 6340643069. The reversal of 6340643062 is 2603460436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340643069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4617408 + ... + 4618780.

It is an arithmetic number, because the mean of its divisors is an integer number (322515585).

Almost surely, 2^6340643062 is an apocalyptic number.

6340643062 is a deficient number, since it is larger than the sum of its proper divisors (3979855658).

6340643062 is a wasteful number, since it uses less digits than its factorization.

6340643062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 6340643062 is about 79628.1549579042. The cubic root of 6340643062 is about 1850.8778947108.

The spelling of 6340643062 in words is "six billion, three hundred forty million, six hundred forty-three thousand, sixty-two".