474218497 has 4 divisors (see below), whose sum is σ = 474271920. Its totient is φ = 474165076.

The previous prime is 474218483. The next prime is 474218539. The reversal of 474218497 is 794812474.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 794812474 = 2 ⋅397406237.

It is a cyclic number.

It is not a de Polignac number, because 474218497 - 2¹⁹ = 473694209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474218897) 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, 9847 + ... + 32332.

It is an arithmetic number, because the mean of its divisors is an integer number (118567980).

It is a Proth number, since it is equal to 1809 ⋅ 2¹⁸ + 1 and 1809 < 2¹⁸.

Almost surely, 2^474218497 is an apocalyptic number.

It is an amenable number.

474218497 is a deficient number, since it is larger than the sum of its proper divisors (53423).

474218497 is a wasteful number, since it uses less digits than its factorization.

474218497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53422.

The product of its digits is 451584, while the sum is 46.

The square root of 474218497 is about 21776.5584287325. The cubic root of 474218497 is about 779.8172358337.

The spelling of 474218497 in words is "four hundred seventy-four million, two hundred eighteen thousand, four hundred ninety-seven".