474543493 has 4 divisors (see below), whose sum is σ = 476294848. Its totient is φ = 472792140.

The previous prime is 474543427. The next prime is 474543523. The reversal of 474543493 is 394345474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394345474 = 2 ⋅197172737.

It is a cyclic number.

It is not a de Polignac number, because 474543493 - 2¹³ = 474535301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474543403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875271 + ... + 875812.

It is an arithmetic number, because the mean of its divisors is an integer number (119073712).

Almost surely, 2^474543493 is an apocalyptic number.

It is an amenable number.

474543493 is a deficient number, since it is larger than the sum of its proper divisors (1751355).

474543493 is a wasteful number, since it uses less digits than its factorization.

474543493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751354.

The product of its digits is 725760, while the sum is 43.

The square root of 474543493 is about 21784.0192113393. The cubic root of 474543493 is about 779.9953391131.

The spelling of 474543493 in words is "four hundred seventy-four million, five hundred forty-three thousand, four hundred ninety-three".