475489849 has 4 divisors (see below), whose sum is σ = 488340964. Its totient is φ = 462638736.

The previous prime is 475489831. The next prime is 475489919. The reversal of 475489849 is 948984574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 246270249 + 229219600 = 15693^2 + 15140^2 .

It is a cyclic number.

It is not a de Polignac number, because 475489849 - 2¹¹ = 475487801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 475489793 and 475489802.

It is not an unprimeable number, because it can be changed into a prime (475489349) 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, 6425502 + ... + 6425575.

It is an arithmetic number, because the mean of its divisors is an integer number (122085241).

Almost surely, 2^475489849 is an apocalyptic number.

It is an amenable number.

475489849 is a deficient number, since it is larger than the sum of its proper divisors (12851115).

475489849 is a wasteful number, since it uses less digits than its factorization.

475489849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12851114.

The product of its digits is 11612160, while the sum is 58.

The square root of 475489849 is about 21805.7297286745. The cubic root of 475489849 is about 780.5134954302.

The spelling of 475489849 in words is "four hundred seventy-five million, four hundred eighty-nine thousand, eight hundred forty-nine".