8281949286 has 16 divisors (see below), whose sum is σ = 17838044784. Its totient is φ = 2548292064.

The previous prime is 8281949257. The next prime is 8281949287. The reversal of 8281949286 is 6829491828.

It is a Curzon number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 53089341 + ... + 53089496.

It is an arithmetic number, because the mean of its divisors is an integer number (1114877799).

Almost surely, 2^8281949286 is an apocalyptic number.

8281949286 is an abundant number, since it is smaller than the sum of its proper divisors (9556095498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8281949286 is a wasteful number, since it uses less digits than its factorization.

8281949286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106178855.

The product of its digits is 3981312, while the sum is 57.

The square root of 8281949286 is about 91005.2157076725. The cubic root of 8281949286 is about 2023.2250288812.

The spelling of 8281949286 in words is "eight billion, two hundred eighty-one million, nine hundred forty-nine thousand, two hundred eighty-six".