3143441646 has 24 divisors (see below), whose sum is σ = 6906719664. Its totient is φ = 1033055520.

The previous prime is 3143441617. The next prime is 3143441663. The reversal of 3143441646 is 6461443413.

3143441646 is a `hidden beast` number, since 3 + 1 + 4 + 3 + 4 + 4 + 1 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3143441646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228551 + ... + 1231106.

It is an arithmetic number, because the mean of its divisors is an integer number (287779986).

Almost surely, 2^3143441646 is an apocalyptic number.

3143441646 is an abundant number, since it is smaller than the sum of its proper divisors (3763278018).

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

3143441646 is a wasteful number, since it uses less digits than its factorization.

3143441646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459736 (or 2459733 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 3143441646 is about 56066.4038975214. The cubic root of 3143441646 is about 1464.8791609804.

The spelling of 3143441646 in words is "three billion, one hundred forty-three million, four hundred forty-one thousand, six hundred forty-six".