6443754652 has 6 divisors (see below), whose sum is σ = 11276570648. Its totient is φ = 3221877324.

The previous prime is 6443754641. The next prime is 6443754683. The reversal of 6443754652 is 2564573446.

It is a super-2 number, since 2×6443754652² = 83043948030343282208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805469328 + ... + 805469335.

Almost surely, 2^6443754652 is an apocalyptic number.

It is an amenable number.

6443754652 is a deficient number, since it is larger than the sum of its proper divisors (4832815996).

6443754652 is a wasteful number, since it uses less digits than its factorization.

6443754652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610938667 (or 1610938665 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 46.

The square root of 6443754652 is about 80273.0007661356. Note that the first 3 decimals coincide. The cubic root of 6443754652 is about 1860.8569924478.

The spelling of 6443754652 in words is "six billion, four hundred forty-three million, seven hundred fifty-four thousand, six hundred fifty-two".