476929909280081 has 2 divisors, whose sum is σ = 476929909280082. Its totient is φ = 476929909280080.

The previous prime is 476929909280063. The next prime is 476929909280177. The reversal of 476929909280081 is 180082909929674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276681938470081 + 200247970810000 = 16633759^2 + 14150900^2 .

It is a cyclic number.

It is not a de Polignac number, because 476929909280081 - 2⁶ = 476929909280017 is a prime.

It is a super-2 number, since 2×476929909280081² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 476929909279990 and 476929909280008.

It is not a weakly prime, because it can be changed into another prime (476929909280381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238464954640040 + 238464954640041.

It is an arithmetic number, because the mean of its divisors is an integer number (238464954640041).

Almost surely, 2^{476929909280081} is an apocalyptic number.

It is an amenable number.

476929909280081 is a deficient number, since it is larger than the sum of its proper divisors (1).

476929909280081 is an equidigital number, since it uses as much as digits as its factorization.

476929909280081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282175488, while the sum is 74.

The spelling of 476929909280081 in words is "four hundred seventy-six trillion, nine hundred twenty-nine billion, nine hundred nine million, two hundred eighty thousand, eighty-one".