8481228309 has 16 divisors (see below), whose sum is σ = 12655182400. Its totient is φ = 5613472368.

The previous prime is 8481228289. The next prime is 8481228361. The reversal of 8481228309 is 9038221848.

It is not a de Polignac number, because 8481228309 - 2⁷ = 8481228181 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 (8481228409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126174 + ... + 1133679.

It is an arithmetic number, because the mean of its divisors is an integer number (790948900).

Almost surely, 2^8481228309 is an apocalyptic number.

It is an amenable number.

8481228309 is a deficient number, since it is larger than the sum of its proper divisors (4173954091).

8481228309 is a wasteful number, since it uses less digits than its factorization.

8481228309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260001 (or 2259995 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 8481228309 is about 92093.5845159694. The cubic root of 8481228309 is about 2039.3240991795.

The spelling of 8481228309 in words is "eight billion, four hundred eighty-one million, two hundred twenty-eight thousand, three hundred nine".