475966849 has 2 divisors, whose sum is σ = 475966850. Its totient is φ = 475966848.

The previous prime is 475966847. The next prime is 475966859. The reversal of 475966849 is 948669574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469372225 + 6594624 = 21665^2 + 2568^2 .

It is a cyclic number.

It is not a de Polignac number, because 475966849 - 2¹ = 475966847 is a prime.

Together with 475966847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 475966793 and 475966802.

It is not a weakly prime, because it can be changed into another prime (475966847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237983424 + 237983425.

It is an arithmetic number, because the mean of its divisors is an integer number (237983425).

Almost surely, 2^475966849 is an apocalyptic number.

It is an amenable number.

475966849 is a deficient number, since it is larger than the sum of its proper divisors (1).

475966849 is an equidigital number, since it uses as much as digits as its factorization.

475966849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 58.

The square root of 475966849 is about 21816.6644792461. The cubic root of 475966849 is about 780.7744056695.

It can be divided in two parts, 47596 and 6849, that added together give a palindrome (54445).

The spelling of 475966849 in words is "four hundred seventy-five million, nine hundred sixty-six thousand, eight hundred forty-nine".