3543012643 has 8 divisors (see below), whose sum is σ = 3586373856. Its totient is φ = 3499824000.

The previous prime is 3543012637. The next prime is 3543012701. The reversal of 3543012643 is 3462103453.

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

It is a cyclic number.

It is not a de Polignac number, because 3543012643 - 2⁵ = 3543012611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3543012043) 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, 1588 + ... + 84193.

It is an arithmetic number, because the mean of its divisors is an integer number (448296732).

Almost surely, 2^3543012643 is an apocalyptic number.

3543012643 is a deficient number, since it is larger than the sum of its proper divisors (43361213).

3543012643 is a wasteful number, since it uses less digits than its factorization.

3543012643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86285.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3543012643 is about 59523.2109600952. The cubic root of 3543012643 is about 1524.4887858107.

The spelling of 3543012643 in words is "three billion, five hundred forty-three million, twelve thousand, six hundred forty-three".