481405301637769 has 2 divisors, whose sum is σ = 481405301637770. Its totient is φ = 481405301637768.

The previous prime is 481405301637761. The next prime is 481405301637779. The reversal of 481405301637769 is 967736103504184.

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., 291041552803600 + 190363748834169 = 17059940^2 + 13797237^2 .

It is a cyclic number.

It is not a de Polignac number, because 481405301637769 - 2³ = 481405301637761 is a prime.

It is a super-2 number, since 2×481405301637769² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481405301637769.

It is not a weakly prime, because it can be changed into another prime (481405301637761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240702650818884 + 240702650818885.

It is an arithmetic number, because the mean of its divisors is an integer number (240702650818885).

Almost surely, 2^{481405301637769} is an apocalyptic number.

It is an amenable number.

481405301637769 is a deficient number, since it is larger than the sum of its proper divisors (1).

481405301637769 is an equidigital number, since it uses as much as digits as its factorization.

481405301637769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 481405301637769 in words is "four hundred eighty-one trillion, four hundred five billion, three hundred one million, six hundred thirty-seven thousand, seven hundred sixty-nine".