6469669646 has 16 divisors (see below), whose sum is σ = 10596510720. Its totient is φ = 2938042680.

The previous prime is 6469669643. The next prime is 6469669673.

6469669646 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469669643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111356 + ... + 159183.

It is an arithmetic number, because the mean of its divisors is an integer number (662281920).

Almost surely, 2^6469669646 is an apocalyptic number.

6469669646 is a deficient number, since it is larger than the sum of its proper divisors (4126841074).

6469669646 is a wasteful number, since it uses less digits than its factorization.

6469669646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271639.

The product of its digits is 60466176, while the sum is 62.

The square root of 6469669646 is about 80434.2566696554. The cubic root of 6469669646 is about 1863.3482725823.

The spelling of 6469669646 in words is "six billion, four hundred sixty-nine million, six hundred sixty-nine thousand, six hundred forty-six".