1804160329 has 2 divisors, whose sum is σ = 1804160330. Its totient is φ = 1804160328.

The previous prime is 1804160321. The next prime is 1804160357. The reversal of 1804160329 is 9230614081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1750167225 + 53993104 = 41835^2 + 7348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1804160329 - 2³ = 1804160321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1804160294 and 1804160303.

It is not a weakly prime, because it can be changed into another prime (1804160321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902080164 + 902080165.

It is an arithmetic number, because the mean of its divisors is an integer number (902080165).

Almost surely, 2^1804160329 is an apocalyptic number.

It is an amenable number.

1804160329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1804160329 is an equidigital number, since it uses as much as digits as its factorization.

1804160329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1804160329 is about 42475.4085206958. The cubic root of 1804160329 is about 1217.3768617582.

The spelling of 1804160329 in words is "one billion, eight hundred four million, one hundred sixty thousand, three hundred twenty-nine".