472745852671281 has 16 divisors (see below), whose sum is σ = 751695268844544. Its totient is φ = 258395248664784.

The previous prime is 472745852671277. The next prime is 472745852671289. The reversal of 472745852671281 is 182176258547274.

It is not a de Polignac number, because 472745852671281 - 2² = 472745852671277 is a prime.

It is a super-2 number, since 2×472745852671281² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472745852671289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489384940171 + ... + 489384941136.

It is an arithmetic number, because the mean of its divisors is an integer number (46980954302784).

Almost surely, 2^{472745852671281} is an apocalyptic number.

It is an amenable number.

472745852671281 is a deficient number, since it is larger than the sum of its proper divisors (278949416173263).

472745852671281 is a wasteful number, since it uses less digits than its factorization.

472745852671281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978769881340.

The product of its digits is 421478400, while the sum is 69.

The spelling of 472745852671281 in words is "four hundred seventy-two trillion, seven hundred forty-five billion, eight hundred fifty-two million, six hundred seventy-one thousand, two hundred eighty-one".