481395208321 has 4 divisors (see below), whose sum is σ = 489554449200. Its totient is φ = 473235967444.

The previous prime is 481395208319. The next prime is 481395208367. The reversal of 481395208321 is 123802593184.

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 481395208321 - 2¹ = 481395208319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481395208391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079620351 + ... + 4079620468.

It is an arithmetic number, because the mean of its divisors is an integer number (122388612300).

Almost surely, 2^481395208321 is an apocalyptic number.

It is an amenable number.

481395208321 is a deficient number, since it is larger than the sum of its proper divisors (8159240879).

481395208321 is an equidigital number, since it uses as much as digits as its factorization.

481395208321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159240878.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 481395208321 in words is "four hundred eighty-one billion, three hundred ninety-five million, two hundred eight thousand, three hundred twenty-one".