475166452121617 has 2 divisors, whose sum is σ = 475166452121618. Its totient is φ = 475166452121616.

The previous prime is 475166452121587. The next prime is 475166452121629. The reversal of 475166452121617 is 716121254661574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386625861142416 + 88540590979201 = 19662804^2 + 9409601^2 .

It is a cyclic number.

It is not a de Polignac number, because 475166452121617 - 2¹⁵ = 475166452088849 is a prime.

It is not a weakly prime, because it can be changed into another prime (475166450121617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237583226060808 + 237583226060809.

It is an arithmetic number, because the mean of its divisors is an integer number (237583226060809).

Almost surely, 2^{475166452121617} is an apocalyptic number.

It is an amenable number.

475166452121617 is a deficient number, since it is larger than the sum of its proper divisors (1).

475166452121617 is an equidigital number, since it uses as much as digits as its factorization.

475166452121617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 58.

The spelling of 475166452121617 in words is "four hundred seventy-five trillion, one hundred sixty-six billion, four hundred fifty-two million, one hundred twenty-one thousand, six hundred seventeen".