475316843 has 2 divisors, whose sum is σ = 475316844. Its totient is φ = 475316842.

The previous prime is 475316833. The next prime is 475316857. The reversal of 475316843 is 348613574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475316843 - 2²⁸ = 206881387 is a prime.

It is a super-2 number, since 2×475316843² = 451852202478973298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475316843.

It is not a weakly prime, because it can be changed into another prime (475316833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237658421 + 237658422.

It is an arithmetic number, because the mean of its divisors is an integer number (237658422).

Almost surely, 2^475316843 is an apocalyptic number.

475316843 is a deficient number, since it is larger than the sum of its proper divisors (1).

475316843 is an equidigital number, since it uses as much as digits as its factorization.

475316843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 475316843 is about 21801.7623828901. The cubic root of 475316843 is about 780.4188212055.

The spelling of 475316843 in words is "four hundred seventy-five million, three hundred sixteen thousand, eight hundred forty-three".