3935783691089 has 2 divisors, whose sum is σ = 3935783691090. Its totient is φ = 3935783691088.

The previous prime is 3935783691031. The next prime is 3935783691113. The reversal of 3935783691089 is 9801963875393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3935494180864 + 289510225 = 1983808^2 + 17015^2 .

It is a cyclic number.

It is not a de Polignac number, because 3935783691089 - 2⁸ = 3935783690833 is a prime.

It is not a weakly prime, because it can be changed into another prime (3935783691589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967891845544 + 1967891845545.

It is an arithmetic number, because the mean of its divisors is an integer number (1967891845545).

Almost surely, 2^{3935783691089} is an apocalyptic number.

It is an amenable number.

3935783691089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3935783691089 is an equidigital number, since it uses as much as digits as its factorization.

3935783691089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264539520, while the sum is 71.

The spelling of 3935783691089 in words is "three trillion, nine hundred thirty-five billion, seven hundred eighty-three million, six hundred ninety-one thousand, eighty-nine".