5656471984 has 20 divisors (see below), whose sum is σ = 10991008584. Its totient is φ = 2820082688.

The previous prime is 5656471963. The next prime is 5656471987. The reversal of 5656471984 is 4891746565.

It is not an unprimeable number, because it can be changed into a prime (5656471987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503857 + ... + 514960.

Almost surely, 2^5656471984 is an apocalyptic number.

It is an amenable number.

5656471984 is a deficient number, since it is larger than the sum of its proper divisors (5334536600).

5656471984 is a wasteful number, since it uses less digits than its factorization.

5656471984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019172 (or 1019166 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The square root of 5656471984 is about 75209.5205675452. The cubic root of 5656471984 is about 1781.7573000149.

The spelling of 5656471984 in words is "five billion, six hundred fifty-six million, four hundred seventy-one thousand, nine hundred eighty-four".