472185543517 has 8 divisors (see below), whose sum is σ = 474208068600. Its totient is φ = 470164998144.

The previous prime is 472185543499. The next prime is 472185543521. The reversal of 472185543517 is 715345581274.

It can be written as a sum of positive squares in 4 ways, for example, as 290736601 + 471894806916 = 17051^2 + 686946^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 472185543517 - 2¹⁵ = 472185510749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472185543217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15892 + ... + 971917.

It is an arithmetic number, because the mean of its divisors is an integer number (59276008575).

Almost surely, 2^472185543517 is an apocalyptic number.

It is an amenable number.

472185543517 is a deficient number, since it is larger than the sum of its proper divisors (2022525083).

472185543517 is a wasteful number, since it uses less digits than its factorization.

472185543517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989855.

The product of its digits is 4704000, while the sum is 52.

The spelling of 472185543517 in words is "four hundred seventy-two billion, one hundred eighty-five million, five hundred forty-three thousand, five hundred seventeen".