481788362881 has 6 divisors (see below), whose sum is σ = 560447687490. Its totient is φ = 412961453856.

The previous prime is 481788362849. The next prime is 481788362917. The reversal of 481788362881 is 188263887184.

It can be written as a sum of positive squares in only one way, i.e., 458544311281 + 23244051600 = 677159^2 + 152460^2 .

It is not a de Polignac number, because 481788362881 - 2⁵ = 481788362849 is a prime.

It is a super-2 number, since 2×481788362881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481788362281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4916207736 + ... + 4916207833.

It is an arithmetic number, because the mean of its divisors is an integer number (93407947915).

Almost surely, 2^481788362881 is an apocalyptic number.

It is an amenable number.

481788362881 is a deficient number, since it is larger than the sum of its proper divisors (78659324609).

481788362881 is an equidigital number, since it uses as much as digits as its factorization.

481788362881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832415583 (or 9832415576 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 64.

The spelling of 481788362881 in words is "four hundred eighty-one billion, seven hundred eighty-eight million, three hundred sixty-two thousand, eight hundred eighty-one".