3834906689 has 2 divisors, whose sum is σ = 3834906690. Its totient is φ = 3834906688.

The previous prime is 3834906661. The next prime is 3834906769. The reversal of 3834906689 is 9866094383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2578913089 + 1255993600 = 50783^2 + 35440^2 .

It is an emirp because it is prime and its reverse (9866094383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3834906689 - 2⁸ = 3834906433 is a prime.

It is not a weakly prime, because it can be changed into another prime (3834906619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917453344 + 1917453345.

It is an arithmetic number, because the mean of its divisors is an integer number (1917453345).

Almost surely, 2^3834906689 is an apocalyptic number.

It is an amenable number.

3834906689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3834906689 is an equidigital number, since it uses as much as digits as its factorization.

3834906689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The square root of 3834906689 is about 61926.6234264391. The cubic root of 3834906689 is about 1565.2544015791.

The spelling of 3834906689 in words is "three billion, eight hundred thirty-four million, nine hundred six thousand, six hundred eighty-nine".