472500264358181 has 4 divisors (see below), whose sum is σ = 472500934179372. Its totient is φ = 472499594536992.

The previous prime is 472500264358139. The next prime is 472500264358223. The reversal of 472500264358181 is 181853462005274.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (472500264358139) and next prime (472500264358223).

It can be written as a sum of positive squares in 2 ways, for example, as 217312706740900 + 255187557617281 = 14741530^2 + 15974591^2 .

It is a cyclic number.

It is not a de Polignac number, because 472500264358181 - 2³⁰ = 472499190616357 is a prime.

It is a super-2 number, since 2×472500264358181² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472500264358121) 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, 333851360 + ... + 335263673.

It is an arithmetic number, because the mean of its divisors is an integer number (118125233544843).

Almost surely, 2^{472500264358181} is an apocalyptic number.

It is an amenable number.

472500264358181 is a deficient number, since it is larger than the sum of its proper divisors (669821191).

472500264358181 is an equidigital number, since it uses as much as digits as its factorization.

472500264358181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669821190.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 472500264358181 in words is "four hundred seventy-two trillion, five hundred billion, two hundred sixty-four million, three hundred fifty-eight thousand, one hundred eighty-one".