485337680081 has 4 divisors (see below), whose sum is σ = 486054575412. Its totient is φ = 484620784752.

The previous prime is 485337680063. The next prime is 485337680123. The reversal of 485337680081 is 180086733584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484109808400 + 1227871681 = 695780^2 + 35041^2 .

It is a cyclic number.

It is not a de Polignac number, because 485337680081 - 2¹⁸ = 485337417937 is a prime.

It is a super-2 number, since 2×485337680081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (485337680381) 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 3 ways as a sum of consecutive naturals, for example, 358446650 + ... + 358448003.

It is an arithmetic number, because the mean of its divisors is an integer number (121513643853).

Almost surely, 2^485337680081 is an apocalyptic number.

It is an amenable number.

485337680081 is a deficient number, since it is larger than the sum of its proper divisors (716895331).

485337680081 is an equidigital number, since it uses as much as digits as its factorization.

485337680081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716895330.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 485337680081 in words is "four hundred eighty-five billion, three hundred thirty-seven million, six hundred eighty thousand, eighty-one".