3143042646 has 8 divisors (see below), whose sum is σ = 6286085304. Its totient is φ = 1047680880.

The previous prime is 3143042641. The next prime is 3143042699. The reversal of 3143042646 is 6462403413.

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

3143042646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143042641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261920215 + ... + 261920226.

It is an arithmetic number, because the mean of its divisors is an integer number (785760663).

Almost surely, 2^3143042646 is an apocalyptic number.

3143042646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3143042646 is a wasteful number, since it uses less digits than its factorization.

3143042646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523840446.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 3143042646 is about 56062.8455039521. The cubic root of 3143042646 is about 1464.8171788620.

The spelling of 3143042646 in words is "three billion, one hundred forty-three million, forty-two thousand, six hundred forty-six".