5656472738 has 8 divisors (see below), whose sum is σ = 9696810432. Its totient is φ = 2424202596.

The previous prime is 5656472699. The next prime is 5656472741. The reversal of 5656472738 is 8372746565.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5656472738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202016870 + ... + 202016897.

It is an arithmetic number, because the mean of its divisors is an integer number (1212101304).

Almost surely, 2^5656472738 is an apocalyptic number.

5656472738 is a deficient number, since it is larger than the sum of its proper divisors (4040337694).

5656472738 is a wasteful number, since it uses less digits than its factorization.

5656472738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404033776.

The product of its digits is 8467200, while the sum is 53.

The square root of 5656472738 is about 75209.5255802083. The cubic root of 5656472738 is about 1781.7573791835.

The spelling of 5656472738 in words is "five billion, six hundred fifty-six million, four hundred seventy-two thousand, seven hundred thirty-eight".