475671149 has 4 divisors (see below), whose sum is σ = 488527164. Its totient is φ = 462815136.

The previous prime is 475671121. The next prime is 475671179. The reversal of 475671149 is 941176574.

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 261048649 + 214622500 = 16157^2 + 14650^2 .

It is a cyclic number.

It is not a de Polignac number, because 475671149 - 2⁸ = 475670893 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 (475671109) 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, 6427952 + ... + 6428025.

It is an arithmetic number, because the mean of its divisors is an integer number (122131791).

Almost surely, 2^475671149 is an apocalyptic number.

It is an amenable number.

475671149 is a deficient number, since it is larger than the sum of its proper divisors (12856015).

475671149 is a wasteful number, since it uses less digits than its factorization.

475671149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856014.

The product of its digits is 211680, while the sum is 44.

The square root of 475671149 is about 21809.8864967244. The cubic root of 475671149 is about 780.6126837484.

The spelling of 475671149 in words is "four hundred seventy-five million, six hundred seventy-one thousand, one hundred forty-nine".