474643843 has 2 divisors, whose sum is σ = 474643844. Its totient is φ = 474643842.

The previous prime is 474643837. The next prime is 474643861. The reversal of 474643843 is 348346474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474643843 - 2¹⁷ = 474512771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474643843.

It is not a weakly prime, because it can be changed into another prime (474643643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237321921 + 237321922.

It is an arithmetic number, because the mean of its divisors is an integer number (237321922).

Almost surely, 2^474643843 is an apocalyptic number.

474643843 is a deficient number, since it is larger than the sum of its proper divisors (1).

474643843 is an equidigital number, since it uses as much as digits as its factorization.

474643843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 43.

The square root of 474643843 is about 21786.3223835506. The cubic root of 474643843 is about 780.0503161712.

The spelling of 474643843 in words is "four hundred seventy-four million, six hundred forty-three thousand, eight hundred forty-three".