2928281705 has 16 divisors (see below), whose sum is σ = 3811392144. Its totient is φ = 2151045120.

The previous prime is 2928281689. The next prime is 2928281737. The reversal of 2928281705 is 5071828292.

It can be written as a sum of positive squares in 8 ways, for example, as 806389609 + 2121892096 = 28397^2 + 46064^2 .

It is not a de Polignac number, because 2928281705 - 2⁴ = 2928281689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416642 + ... + 423611.

It is an arithmetic number, because the mean of its divisors is an integer number (238212009).

Almost surely, 2^2928281705 is an apocalyptic number.

It is an amenable number.

2928281705 is a deficient number, since it is larger than the sum of its proper divisors (883110439).

2928281705 is a wasteful number, since it uses less digits than its factorization.

2928281705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840316.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 2928281705 is about 54113.6000003696. The cubic root of 2928281705 is about 1430.6638978020.

The spelling of 2928281705 in words is "two billion, nine hundred twenty-eight million, two hundred eighty-one thousand, seven hundred five".