2801329065 has 12 divisors (see below), whose sum is σ = 4855637124. Its totient is φ = 1494042144.

The previous prime is 2801329001. The next prime is 2801329073. The reversal of 2801329065 is 5609231082.

It can be written as a sum of positive squares in 2 ways, for example, as 1752929424 + 1048399641 = 41868^2 + 32379^2 .

It is not a de Polignac number, because 2801329065 - 2⁶ = 2801329001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31125834 + ... + 31125923.

It is an arithmetic number, because the mean of its divisors is an integer number (404636427).

Almost surely, 2^2801329065 is an apocalyptic number.

It is an amenable number.

2801329065 is a deficient number, since it is larger than the sum of its proper divisors (2054308059).

2801329065 is a wasteful number, since it uses less digits than its factorization.

2801329065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62251768 (or 62251765 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2801329065 is about 52927.5832151819. The cubic root of 2801329065 is about 1409.6827187111.

The spelling of 2801329065 in words is "two billion, eight hundred one million, three hundred twenty-nine thousand, sixty-five".