3805704986329 has 2 divisors, whose sum is σ = 3805704986330. Its totient is φ = 3805704986328.

The previous prime is 3805704986309. The next prime is 3805704986359. The reversal of 3805704986329 is 9236894075083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3789076368025 + 16628618304 = 1946555^2 + 128952^2 .

It is a cyclic number.

It is not a de Polignac number, because 3805704986329 - 2²⁹ = 3805168115417 is a prime.

It is not a weakly prime, because it can be changed into another prime (3805704986309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902852493164 + 1902852493165.

It is an arithmetic number, because the mean of its divisors is an integer number (1902852493165).

Almost surely, 2^{3805704986329} is an apocalyptic number.

It is an amenable number.

3805704986329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3805704986329 is an equidigital number, since it uses as much as digits as its factorization.

3805704986329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 3805704986329 in words is "three trillion, eight hundred five billion, seven hundred four million, nine hundred eighty-six thousand, three hundred twenty-nine".