8281949288 has 8 divisors (see below), whose sum is σ = 15528654930. Its totient is φ = 4140974640.

The previous prime is 8281949287. The next prime is 8281949303. The reversal of 8281949288 is 8829491828.

It can be written as a sum of positive squares in only one way, i.e., 6839620804 + 1442328484 = 82702^2 + 37978^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8281949287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517621823 + ... + 517621838.

Almost surely, 2^8281949288 is an apocalyptic number.

It is an amenable number.

8281949288 is a deficient number, since it is larger than the sum of its proper divisors (7246705642).

8281949288 is a wasteful number, since it uses less digits than its factorization.

8281949288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035243667 (or 1035243663 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 59.

The square root of 8281949288 is about 91005.2157186609. The cubic root of 8281949288 is about 2023.2250290441.

The spelling of 8281949288 in words is "eight billion, two hundred eighty-one million, nine hundred forty-nine thousand, two hundred eighty-eight".