475396469 has 4 divisors (see below), whose sum is σ = 476075340. Its totient is φ = 474717600.

The previous prime is 475396463. The next prime is 475396477. The reversal of 475396469 is 964693574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201924100 + 273472369 = 14210^2 + 16537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475396469 is a prime.

It is a super-2 number, since 2×475396469² = 452003605475335922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 475396469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475396463) 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, 338384 + ... + 339785.

It is an arithmetic number, because the mean of its divisors is an integer number (119018835).

Almost surely, 2^475396469 is an apocalyptic number.

It is an amenable number.

475396469 is a deficient number, since it is larger than the sum of its proper divisors (678871).

475396469 is an equidigital number, since it uses as much as digits as its factorization.

475396469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678870.

The product of its digits is 4898880, while the sum is 53.

The square root of 475396469 is about 21803.5884431898. The cubic root of 475396469 is about 780.4623978641.

The spelling of 475396469 in words is "four hundred seventy-five million, three hundred ninety-six thousand, four hundred sixty-nine".