475342341625181 has 2 divisors, whose sum is σ = 475342341625182. Its totient is φ = 475342341625180.

The previous prime is 475342341625043. The next prime is 475342341625219. The reversal of 475342341625181 is 181526143243574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453542360413156 + 21799981212025 = 21296534^2 + 4669045^2 .

It is a cyclic number.

It is not a de Polignac number, because 475342341625181 - 2⁴² = 470944295114077 is a prime.

It is a super-2 number, since 2×475342341625181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475342341628181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237671170812590 + 237671170812591.

It is an arithmetic number, because the mean of its divisors is an integer number (237671170812591).

Almost surely, 2^{475342341625181} is an apocalyptic number.

It is an amenable number.

475342341625181 is a deficient number, since it is larger than the sum of its proper divisors (1).

475342341625181 is an equidigital number, since it uses as much as digits as its factorization.

475342341625181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 56.

The spelling of 475342341625181 in words is "four hundred seventy-five trillion, three hundred forty-two billion, three hundred forty-one million, six hundred twenty-five thousand, one hundred eighty-one".