6466919682 has 8 divisors (see below), whose sum is σ = 12933839376. Its totient is φ = 2155639892.

The previous prime is 6466919671. The next prime is 6466919749. The reversal of 6466919682 is 2869196646.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6466919682 is an admirable number.

It is a super-2 number, since 2×6466919682² = 83642100346877962248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538909968 + ... + 538909979.

It is an arithmetic number, because the mean of its divisors is an integer number (1616729922).

Almost surely, 2^6466919682 is an apocalyptic number.

6466919682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6466919682 is a wasteful number, since it uses less digits than its factorization.

6466919682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077819952.

The product of its digits is 6718464, while the sum is 57.

The square root of 6466919682 is about 80417.1603701598. The cubic root of 6466919682 is about 1863.0842268049.

The spelling of 6466919682 in words is "six billion, four hundred sixty-six million, nine hundred nineteen thousand, six hundred eighty-two".