475670893 has 2 divisors, whose sum is σ = 475670894. Its totient is φ = 475670892.

The previous prime is 475670873. The next prime is 475670903. The reversal of 475670893 is 398076574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341991049 + 133679844 = 18493^2 + 11562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475670893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475670873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237835446 + 237835447.

It is an arithmetic number, because the mean of its divisors is an integer number (237835447).

Almost surely, 2^475670893 is an apocalyptic number.

It is an amenable number.

475670893 is a deficient number, since it is larger than the sum of its proper divisors (1).

475670893 is an equidigital number, since it uses as much as digits as its factorization.

475670893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 475670893 is about 21809.8806278255. The cubic root of 475670893 is about 780.6125437099.

The spelling of 475670893 in words is "four hundred seventy-five million, six hundred seventy thousand, eight hundred ninety-three".