475646739173 has 2 divisors, whose sum is σ = 475646739174. Its totient is φ = 475646739172.

The previous prime is 475646739131. The next prime is 475646739223. The reversal of 475646739173 is 371937646574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314156887009 + 161489852164 = 560497^2 + 401858^2 .

It is a cyclic number.

It is not a de Polignac number, because 475646739173 - 2¹⁶ = 475646673637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475646709173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237823369586 + 237823369587.

It is an arithmetic number, because the mean of its divisors is an integer number (237823369587).

Almost surely, 2^475646739173 is an apocalyptic number.

It is an amenable number.

475646739173 is a deficient number, since it is larger than the sum of its proper divisors (1).

475646739173 is an equidigital number, since it uses as much as digits as its factorization.

475646739173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80015040, while the sum is 62.

The spelling of 475646739173 in words is "four hundred seventy-five billion, six hundred forty-six million, seven hundred thirty-nine thousand, one hundred seventy-three".