475561448597 has 2 divisors, whose sum is σ = 475561448598. Its totient is φ = 475561448596.

The previous prime is 475561448587. The next prime is 475561448633. The reversal of 475561448597 is 795844165574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238152784081 + 237408664516 = 488009^2 + 487246^2 .

It is a cyclic number.

It is not a de Polignac number, because 475561448597 - 2¹⁸ = 475561186453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475561448567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237780724298 + 237780724299.

It is an arithmetic number, because the mean of its divisors is an integer number (237780724299).

Almost surely, 2^475561448597 is an apocalyptic number.

It is an amenable number.

475561448597 is a deficient number, since it is larger than the sum of its proper divisors (1).

475561448597 is an equidigital number, since it uses as much as digits as its factorization.

475561448597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344000, while the sum is 65.

The spelling of 475561448597 in words is "four hundred seventy-five billion, five hundred sixty-one million, four hundred forty-eight thousand, five hundred ninety-seven".