475450989 has 8 divisors (see below), whose sum is σ = 682698912. Its totient is φ = 292585200.

The previous prime is 475450979. The next prime is 475450991. The reversal of 475450989 is 989054574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475450989 - 2¹³ = 475442797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475450909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6095487 + ... + 6095564.

It is an arithmetic number, because the mean of its divisors is an integer number (85337364).

Almost surely, 2^475450989 is an apocalyptic number.

It is an amenable number.

475450989 is a deficient number, since it is larger than the sum of its proper divisors (207247923).

475450989 is a wasteful number, since it uses less digits than its factorization.

475450989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191067.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 475450989 is about 21804.8386602607. The cubic root of 475450989 is about 780.4922320384.

The spelling of 475450989 in words is "four hundred seventy-five million, four hundred fifty thousand, nine hundred eighty-nine".