6643351062050 has 24 divisors (see below), whose sum is σ = 12356742906900. Its totient is φ = 2657316783680.

The previous prime is 6643351062041. The next prime is 6643351062083. The reversal of 6643351062050 is 502601533466.

It can be written as a sum of positive squares in 6 ways, for example, as 1005305017201 + 5638046044849 = 1002649^2 + 2374457^2 .

It is a super-2 number, since 2×6643351062050² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6643351061989 and 6643351062007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5761316 + ... + 6817584.

Almost surely, 2^{6643351062050} is an apocalyptic number.

6643351062050 is a deficient number, since it is larger than the sum of its proper divisors (5713391844850).

6643351062050 is a wasteful number, since it uses less digits than its factorization.

6643351062050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182070 (or 1182065 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 6643351062050 in words is "six trillion, six hundred forty-three billion, three hundred fifty-one million, sixty-two thousand, fifty".