472745831665186 has 8 divisors (see below), whose sum is σ = 710756435137644. Its totient is φ = 235827019952640.

The previous prime is 472745831665169. The next prime is 472745831665189. The reversal of 472745831665186 is 681566138547274.

It can be written as a sum of positive squares in 2 ways, for example, as 463985859589561 + 8759972075625 = 21540331^2 + 2959725^2 .

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

It is not an unprimeable number, because it can be changed into a prime (472745831665189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272947938895 + ... + 272947940626.

Almost surely, 2^{472745831665186} is an apocalyptic number.

472745831665186 is a deficient number, since it is larger than the sum of its proper divisors (238010603472458).

472745831665186 is a wasteful number, since it uses less digits than its factorization.

472745831665186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545895879956.

The product of its digits is 1625702400, while the sum is 73.

The spelling of 472745831665186 in words is "four hundred seventy-two trillion, seven hundred forty-five billion, eight hundred thirty-one million, six hundred sixty-five thousand, one hundred eighty-six".