475191014281 has 3 divisors (see below), whose sum is σ = 475191703623. Its totient is φ = 475190324940.

The previous prime is 475191014267. The next prime is 475191014297. The reversal of 475191014281 is 182410191574.

The square root of 475191014281 is 689341.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 473975794681 + 1215219600 = 688459^2 + 34860^2 .

It is not a de Polignac number, because 475191014281 - 2⁷ = 475191014153 is a prime.

It is a super-2 number, since 2×475191014281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475191044281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 344671 + ... + 1034011.

It is an arithmetic number, because the mean of its divisors is an integer number (158397234541).

Almost surely, 2^475191014281 is an apocalyptic number.

475191014281 is the 689341-st square number.

475191014281 is the 344671-st centered octagonal number.

It is an amenable number.

475191014281 is a deficient number, since it is larger than the sum of its proper divisors (689342).

475191014281 is an frugal number, since it uses more digits than its factorization.

475191014281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378682 (or 689341 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 475191014281 in words is "four hundred seventy-five billion, one hundred ninety-one million, fourteen thousand, two hundred eighty-one".