8481133373021 has 8 divisors (see below), whose sum is σ = 8980051334400. Its totient is φ = 7982218496448.

The previous prime is 8481133372979. The next prime is 8481133373059. The reversal of 8481133373021 is 1203733311848.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8481133373021 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 (8481133372021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7306790 + ... + 8387576.

It is an arithmetic number, because the mean of its divisors is an integer number (1122506416800).

Almost surely, 2^{8481133373021} is an apocalyptic number.

It is an amenable number.

8481133373021 is a deficient number, since it is larger than the sum of its proper divisors (498917961379).

8481133373021 is a wasteful number, since it uses less digits than its factorization.

8481133373021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542403.

The product of its (nonzero) digits is 290304, while the sum is 44.

Adding to 8481133373021 its reverse (1203733311848), we get a palindrome (9684866684869).

The spelling of 8481133373021 in words is "eight trillion, four hundred eighty-one billion, one hundred thirty-three million, three hundred seventy-three thousand, twenty-one".