3643543612 has 6 divisors (see below), whose sum is σ = 6376201328. Its totient is φ = 1821771804.

The previous prime is 3643543573. The next prime is 3643543619. The reversal of 3643543612 is 2163453463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643543619) by changing a digit.

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, 455442948 + ... + 455442955.

Almost surely, 2^3643543612 is an apocalyptic number.

It is an amenable number.

3643543612 is a deficient number, since it is larger than the sum of its proper divisors (2732657716).

3643543612 is a wasteful number, since it uses less digits than its factorization.

3643543612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910885907 (or 910885905 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 3643543612 is about 60361.7727705209. The cubic root of 3643543612 is about 1538.7733544611.

The spelling of 3643543612 in words is "three billion, six hundred forty-three million, five hundred forty-three thousand, six hundred twelve".