481713916889 has 4 divisors (see below), whose sum is σ = 502658000256. Its totient is φ = 460769833524.

The previous prime is 481713916829. The next prime is 481713916907. The reversal of 481713916889 is 988619317184.

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 a de Polignac number, because none of the positive numbers 2^k-481713916889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481713916829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10472041649 + ... + 10472041694.

It is an arithmetic number, because the mean of its divisors is an integer number (125664500064).

Almost surely, 2^481713916889 is an apocalyptic number.

It is an amenable number.

481713916889 is a deficient number, since it is larger than the sum of its proper divisors (20944083367).

481713916889 is a wasteful number, since it uses less digits than its factorization.

481713916889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20944083366.

The product of its digits is 20901888, while the sum is 65.

The spelling of 481713916889 in words is "four hundred eighty-one billion, seven hundred thirteen million, nine hundred sixteen thousand, eight hundred eighty-nine".