475354874689 has 4 divisors (see below), whose sum is σ = 475427777220. Its totient is φ = 475281972160.

The previous prime is 475354874671. The next prime is 475354874711. The reversal of 475354874689 is 986478453574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986478453574 = 2 ⋅493239226787.

It can be written as a sum of positive squares in 2 ways, for example, as 424237282225 + 51117592464 = 651335^2 + 226092^2 .

It is a cyclic number.

It is not a de Polignac number, because 475354874689 - 2²⁷ = 475220656961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475354875689) 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, 36441484 + ... + 36454525.

It is an arithmetic number, because the mean of its divisors is an integer number (118856944305).

Almost surely, 2^475354874689 is an apocalyptic number.

It is an amenable number.

475354874689 is a deficient number, since it is larger than the sum of its proper divisors (72902531).

475354874689 is an equidigital number, since it uses as much as digits as its factorization.

475354874689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72902530.

The product of its digits is 812851200, while the sum is 70.

The spelling of 475354874689 in words is "four hundred seventy-five billion, three hundred fifty-four million, eight hundred seventy-four thousand, six hundred eighty-nine".