474156819 has 12 divisors (see below), whose sum is σ = 685762896. Its totient is φ = 315703152.

The previous prime is 474156779. The next prime is 474156853. The reversal of 474156819 is 918651474.

474156819 is a `hidden beast` number, since 4 + 74 + 1 + 568 + 19 = 666.

It is not a de Polignac number, because 474156819 - 2¹⁵ = 474124051 is a prime.

It is a super-2 number, since 2×474156819² = 449649378008397522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (474156869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25879 + ... + 40224.

It is an arithmetic number, because the mean of its divisors is an integer number (57146908).

Almost surely, 2^474156819 is an apocalyptic number.

474156819 is a deficient number, since it is larger than the sum of its proper divisors (211606077).

474156819 is a wasteful number, since it uses less digits than its factorization.

474156819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66906 (or 66903 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 474156819 is about 21775.1422268604. The cubic root of 474156819 is about 779.7834260652.

The spelling of 474156819 in words is "four hundred seventy-four million, one hundred fifty-six thousand, eight hundred nineteen".