5671281284 has 18 divisors (see below), whose sum is σ = 9952447050. Its totient is φ = 2827732992.

The previous prime is 5671281269. The next prime is 5671281289. The reversal of 5671281284 is 4821821765.

It can be written as a sum of positive squares in 3 ways, for example, as 1097464384 + 4573816900 = 33128^2 + 67630^2 .

It is not an unprimeable number, because it can be changed into a prime (5671281289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3190604 + ... + 3192380.

It is an arithmetic number, because the mean of its divisors is an integer number (552913725).

Almost surely, 2^5671281284 is an apocalyptic number.

It is an amenable number.

5671281284 is a deficient number, since it is larger than the sum of its proper divisors (4281165766).

5671281284 is an equidigital number, since it uses as much as digits as its factorization.

5671281284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 2228 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 5671281284 is about 75307.9098368823. The cubic root of 5671281284 is about 1783.3108940917.

The spelling of 5671281284 in words is "five billion, six hundred seventy-one million, two hundred eighty-one thousand, two hundred eighty-four".