475436965 has 4 divisors (see below), whose sum is σ = 570524364. Its totient is φ = 380349568.

The previous prime is 475436957. The next prime is 475436993. The reversal of 475436965 is 569634574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569634574 = 2 ⋅284817287.

It can be written as a sum of positive squares in 2 ways, for example, as 200109316 + 275327649 = 14146^2 + 16593^2 .

It is a cyclic number.

It is not a de Polignac number, because 475436965 - 2³ = 475436957 is a prime.

It is a super-2 number, since 2×475436965² = 452080615376822450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47543692 + ... + 47543701.

It is an arithmetic number, because the mean of its divisors is an integer number (142631091).

Almost surely, 2^475436965 is an apocalyptic number.

It is an amenable number.

475436965 is a deficient number, since it is larger than the sum of its proper divisors (95087399).

475436965 is an equidigital number, since it uses as much as digits as its factorization.

475436965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95087398.

The product of its digits is 2721600, while the sum is 49.

The square root of 475436965 is about 21804.5170778901. The cubic root of 475436965 is about 780.4845581099.

The spelling of 475436965 in words is "four hundred seventy-five million, four hundred thirty-six thousand, nine hundred sixty-five".