472428712504681 has 4 divisors (see below), whose sum is σ = 472450115540052. Its totient is φ = 472407309469312.

The previous prime is 472428712504621. The next prime is 472428712504709. The reversal of 472428712504681 is 186405217824274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 421587662760000 + 50841049744681 = 20532600^2 + 7130291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472428712504681 is a prime.

It is a super-2 number, since 2×472428712504681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472428712504621) 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, 10701484576 + ... + 10701528721.

It is an arithmetic number, because the mean of its divisors is an integer number (118112528885013).

Almost surely, 2^{472428712504681} is an apocalyptic number.

It is an amenable number.

472428712504681 is a deficient number, since it is larger than the sum of its proper divisors (21403035371).

472428712504681 is a wasteful number, since it uses less digits than its factorization.

472428712504681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21403035370.

The product of its (nonzero) digits is 48168960, while the sum is 61.

The spelling of 472428712504681 in words is "four hundred seventy-two trillion, four hundred twenty-eight billion, seven hundred twelve million, five hundred four thousand, six hundred eighty-one".