475996109 has 4 divisors (see below), whose sum is σ = 496691616. Its totient is φ = 455300604.

The previous prime is 475996099. The next prime is 475996121. The reversal of 475996109 is 901699574.

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 a cyclic number.

It is not a de Polignac number, because 475996109 - 2¹⁶ = 475930573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475996139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10347719 + ... + 10347764.

It is an arithmetic number, because the mean of its divisors is an integer number (124172904).

Almost surely, 2^475996109 is an apocalyptic number.

It is an amenable number.

475996109 is a deficient number, since it is larger than the sum of its proper divisors (20695507).

475996109 is a wasteful number, since it uses less digits than its factorization.

475996109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20695506.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 475996109 is about 21817.3350572429. The cubic root of 475996109 is about 780.7904046766.

The spelling of 475996109 in words is "four hundred seventy-five million, nine hundred ninety-six thousand, one hundred nine".