475481689 has 4 divisors (see below), whose sum is σ = 490819840. Its totient is φ = 460143540.

The previous prime is 475481683. The next prime is 475481701. The reversal of 475481689 is 986184574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 475481689 - 2¹³ = 475473497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475481683) 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, 7669029 + ... + 7669090.

It is an arithmetic number, because the mean of its divisors is an integer number (122704960).

Almost surely, 2^475481689 is an apocalyptic number.

It is an amenable number.

475481689 is a deficient number, since it is larger than the sum of its proper divisors (15338151).

475481689 is a wasteful number, since it uses less digits than its factorization.

475481689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338150.

The product of its digits is 1935360, while the sum is 52.

The square root of 475481689 is about 21805.5426210860. The cubic root of 475481689 is about 780.5090305423.

The spelling of 475481689 in words is "four hundred seventy-five million, four hundred eighty-one thousand, six hundred eighty-nine".