475244619481 has 2 divisors, whose sum is σ = 475244619482. Its totient is φ = 475244619480.

The previous prime is 475244619469. The next prime is 475244619523. The reversal of 475244619481 is 184916442574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402285747600 + 72958871881 = 634260^2 + 270109^2 .

It is a cyclic number.

It is not a de Polignac number, because 475244619481 - 2⁹ = 475244618969 is a prime.

It is a super-2 number, since 2×475244619481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475244619431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237622309740 + 237622309741.

It is an arithmetic number, because the mean of its divisors is an integer number (237622309741).

Almost surely, 2^475244619481 is an apocalyptic number.

It is an amenable number.

475244619481 is a deficient number, since it is larger than the sum of its proper divisors (1).

475244619481 is an equidigital number, since it uses as much as digits as its factorization.

475244619481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The spelling of 475244619481 in words is "four hundred seventy-five billion, two hundred forty-four million, six hundred nineteen thousand, four hundred eighty-one".