475283390465 has 16 divisors (see below), whose sum is σ = 615859094928. Its totient is φ = 350037524736.

The previous prime is 475283390437. The next prime is 475283390489. The reversal of 475283390465 is 564093382574.

It is a Cunningham number, because it is equal to 689408²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 475283390464 = 1^2 + 689408^2 .

It is a cyclic number.

It is not a de Polignac number, because 475283390465 - 2¹⁸ = 475283128321 is a prime.

It is a Smith number, since the sum of its digits (56) 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 self number, because there is not a number n which added to its sum of digits gives 475283390465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9777434 + ... + 9825923.

It is an arithmetic number, because the mean of its divisors is an integer number (38491193433).

Almost surely, 2^475283390465 is an apocalyptic number.

It is an amenable number.

475283390465 is a deficient number, since it is larger than the sum of its proper divisors (140575704463).

475283390465 is a wasteful number, since it uses less digits than its factorization.

475283390465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19603748.

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 475283390465 in words is "four hundred seventy-five billion, two hundred eighty-three million, three hundred ninety thousand, four hundred sixty-five".