1809329314 has 16 divisors (see below), whose sum is σ = 3023548920. Its totient is φ = 806279040.

The previous prime is 1809329297. The next prime is 1809329351. The reversal of 1809329314 is 4139239081.

It can be written as a sum of positive squares in 4 ways, for example, as 1297800625 + 511528689 = 36025^2 + 22617^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199067 + ... + 1200574.

Almost surely, 2^1809329314 is an apocalyptic number.

1809329314 is a deficient number, since it is larger than the sum of its proper divisors (1214219606).

1809329314 is a wasteful number, since it uses less digits than its factorization.

1809329314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399685.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1809329314 is about 42536.2117965387. The cubic root of 1809329314 is about 1218.5383628865.

The spelling of 1809329314 in words is "one billion, eight hundred nine million, three hundred twenty-nine thousand, three hundred fourteen".