3694931609 has 2 divisors, whose sum is σ = 3694931610. Its totient is φ = 3694931608.

The previous prime is 3694931579. The next prime is 3694931677. The reversal of 3694931609 is 9061394963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2837905984 + 857025625 = 53272^2 + 29275^2 .

It is an emirp because it is prime and its reverse (9061394963) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3694931609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3694931309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847465804 + 1847465805.

It is an arithmetic number, because the mean of its divisors is an integer number (1847465805).

Almost surely, 2^3694931609 is an apocalyptic number.

It is an amenable number.

3694931609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694931609 is an equidigital number, since it uses as much as digits as its factorization.

3694931609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 3694931609 is about 60785.9491083260. The cubic root of 3694931609 is about 1545.9738185400.

The spelling of 3694931609 in words is "three billion, six hundred ninety-four million, nine hundred thirty-one thousand, six hundred nine".