481808254021 has 8 divisors (see below), whose sum is σ = 507822700320. Its totient is φ = 455859419472.

The previous prime is 481808254013. The next prime is 481808254087. The reversal of 481808254021 is 120452808184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481808254021 - 2³ = 481808254013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481808284021) 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 7 ways as a sum of consecutive naturals, for example, 16387855 + ... + 16417228.

It is an arithmetic number, because the mean of its divisors is an integer number (63477837540).

Almost surely, 2^481808254021 is an apocalyptic number.

It is an amenable number.

481808254021 is a deficient number, since it is larger than the sum of its proper divisors (26014446299).

481808254021 is a wasteful number, since it uses less digits than its factorization.

481808254021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32805875.

The product of its (nonzero) digits is 163840, while the sum is 43.

The spelling of 481808254021 in words is "four hundred eighty-one billion, eight hundred eight million, two hundred fifty-four thousand, twenty-one".