6461968819682 has 48 divisors (see below), whose sum is σ = 10135843169760. Its totient is φ = 3087939254400.

The previous prime is 6461968819651. The next prime is 6461968819721. The reversal of 6461968819682 is 2869188691646.

It is a super-2 number, since 2×6461968819682² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151771457 + ... + 151814027.

It is an arithmetic number, because the mean of its divisors is an integer number (211163399370).

Almost surely, 2^{6461968819682} is an apocalyptic number.

6461968819682 is a deficient number, since it is larger than the sum of its proper divisors (3673874350078).

6461968819682 is a wasteful number, since it uses less digits than its factorization.

6461968819682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43379 (or 43326 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 74.

The spelling of 6461968819682 in words is "six trillion, four hundred sixty-one billion, nine hundred sixty-eight million, eight hundred nineteen thousand, six hundred eighty-two".