8243469881 has 32 divisors (see below), whose sum is σ = 9089055360. Its totient is φ = 7445401600.

The previous prime is 8243469877. The next prime is 8243469887. The reversal of 8243469881 is 1889643428.

It is not a de Polignac number, because 8243469881 - 2² = 8243469877 is a prime.

It is a super-2 number, since 2×8243469881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8243469887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12508730 + ... + 12509388.

It is an arithmetic number, because the mean of its divisors is an integer number (284032980).

Almost surely, 2^8243469881 is an apocalyptic number.

It is an amenable number.

8243469881 is a deficient number, since it is larger than the sum of its proper divisors (845585479).

8243469881 is a wasteful number, since it uses less digits than its factorization.

8243469881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 2654208, while the sum is 53.

The square root of 8243469881 is about 90793.5563848008. The cubic root of 8243469881 is about 2020.0867427541.

The spelling of 8243469881 in words is "eight billion, two hundred forty-three million, four hundred sixty-nine thousand, eight hundred eighty-one".