481205660633 has 4 divisors (see below), whose sum is σ = 481271740368. Its totient is φ = 481139580900.

The previous prime is 481205660609. The next prime is 481205660641. The reversal of 481205660633 is 336066502184.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 481205660633 - 2¹⁸ = 481205398489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481205660233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33028943 + ... + 33043508.

It is an arithmetic number, because the mean of its divisors is an integer number (120317935092).

Almost surely, 2^481205660633 is an apocalyptic number.

It is an amenable number.

481205660633 is a deficient number, since it is larger than the sum of its proper divisors (66079735).

481205660633 is an equidigital number, since it uses as much as digits as its factorization.

481205660633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66079734.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 481205660633 in words is "four hundred eighty-one billion, two hundred five million, six hundred sixty thousand, six hundred thirty-three".