474685819 has 2 divisors, whose sum is σ = 474685820. Its totient is φ = 474685818.

The previous prime is 474685817. The next prime is 474685837. The reversal of 474685819 is 918586474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474685819 - 2¹ = 474685817 is a prime.

It is a super-2 number, since 2×474685819² = 450653253519401522, which contains 22 as substring.

Together with 474685817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (474685817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237342909 + 237342910.

It is an arithmetic number, because the mean of its divisors is an integer number (237342910).

Almost surely, 2^474685819 is an apocalyptic number.

474685819 is a deficient number, since it is larger than the sum of its proper divisors (1).

474685819 is an equidigital number, since it uses as much as digits as its factorization.

474685819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 474685819 is about 21787.2857189692. The cubic root of 474685819 is about 780.0733105541.

The spelling of 474685819 in words is "four hundred seventy-four million, six hundred eighty-five thousand, eight hundred nineteen".