474842493 has 10 divisors (see below), whose sum is σ = 709332734. Its totient is φ = 316561608.

The previous prime is 474842461. The next prime is 474842503. The reversal of 474842493 is 394248474.

It can be written as a sum of positive squares in only one way, i.e., 302655609 + 172186884 = 17397^2 + 13122^2 .

It is not a de Polignac number, because 474842493 - 2⁵ = 474842461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474842393) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2931046 + ... + 2931207.

Almost surely, 2^474842493 is an apocalyptic number.

It is an amenable number.

474842493 is a deficient number, since it is larger than the sum of its proper divisors (234490241).

474842493 is an equidigital number, since it uses as much as digits as its factorization.

474842493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862265 (or 5862256 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 474842493 is about 21790.8809597042. The cubic root of 474842493 is about 780.1591243403.

The spelling of 474842493 in words is "four hundred seventy-four million, eight hundred forty-two thousand, four hundred ninety-three".