6705321669 has 40 divisors (see below), whose sum is σ = 10358281472. Its totient is φ = 4318246080.

The previous prime is 6705321653. The next prime is 6705321719. The reversal of 6705321669 is 9661235076.

It is not a de Polignac number, because 6705321669 - 2⁴ = 6705321653 is a prime.

It is a super-2 number, since 2×6705321669² = 89922677369521891122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705321269) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1612497 + ... + 1616649.

Almost surely, 2^6705321669 is an apocalyptic number.

It is an amenable number.

6705321669 is a deficient number, since it is larger than the sum of its proper divisors (3652959803).

6705321669 is a wasteful number, since it uses less digits than its factorization.

6705321669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839 (or 4830 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 6705321669 is about 81886.0285335661. The cubic root of 6705321669 is about 1885.7026247877.

The spelling of 6705321669 in words is "six billion, seven hundred five million, three hundred twenty-one thousand, six hundred sixty-nine".