3143447964 has 36 divisors (see below), whose sum is σ = 7947696120. Its totient is φ = 1047584160.

The previous prime is 3143447959. The next prime is 3143447981. The reversal of 3143447964 is 4697443413.

3143447964 is a `hidden beast` number, since 3 + 143 + 447 + 9 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253542 + ... + 265650.

Almost surely, 2^3143447964 is an apocalyptic number.

It is an amenable number.

3143447964 is an abundant number, since it is smaller than the sum of its proper divisors (4804248156).

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

3143447964 is a wasteful number, since it uses less digits than its factorization.

3143447964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19330 (or 19325 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 3143447964 is about 56066.4602413957. The cubic root of 3143447964 is about 1464.8801423995.

The spelling of 3143447964 in words is "three billion, one hundred forty-three million, four hundred forty-seven thousand, nine hundred sixty-four".