475646099 has 4 divisors (see below), whose sum is σ = 478274160. Its totient is φ = 473018040.

The previous prime is 475646047. The next prime is 475646131. The reversal of 475646099 is 990646574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990646574 = 2 ⋅495323287.

It is a cyclic number.

It is not a de Polignac number, because 475646099 - 2¹² = 475642003 is a prime.

It is a super-2 number, since 2×475646099² = 452478422987835602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475643099) 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, 1313759 + ... + 1314120.

It is an arithmetic number, because the mean of its divisors is an integer number (119568540).

Almost surely, 2^475646099 is an apocalyptic number.

475646099 is a deficient number, since it is larger than the sum of its proper divisors (2628061).

475646099 is a wasteful number, since it uses less digits than its factorization.

475646099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628060.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 475646099 is about 21809.3122083206. The cubic root of 475646099 is about 780.5989805201.

The spelling of 475646099 in words is "four hundred seventy-five million, six hundred forty-six thousand, ninety-nine".