476261473689 has 27 divisors (see below), whose sum is σ = 690813129279. Its totient is φ = 316184004720.

The previous prime is 476261473687. The next prime is 476261473711. The reversal of 476261473689 is 986374162674.

It is a happy number.

The square root of 476261473689 is 690117.

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

476261473689 is a `hidden beast` number, since 4 + 7 + 6 + 2 + 614 + 7 + 3 + 6 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 152659774089 + 323601699600 = 390717^2 + 568860^2 .

It is not a de Polignac number, because 476261473689 - 2¹ = 476261473687 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (476261473687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 954431562 + ... + 954432060.

Almost surely, 2^476261473689 is an apocalyptic number.

476261473689 is the 690117-th square number.

476261473689 is the 345059-th centered octagonal number.

It is an amenable number.

476261473689 is a deficient number, since it is larger than the sum of its proper divisors (214551655590).

476261473689 is an frugal number, since it uses more digits than its factorization.

476261473689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 963 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 476261473689 in words is "four hundred seventy-six billion, two hundred sixty-one million, four hundred seventy-three thousand, six hundred eighty-nine".