3474639689 has 2 divisors, whose sum is σ = 3474639690. Its totient is φ = 3474639688.

The previous prime is 3474639683. The next prime is 3474639719. The reversal of 3474639689 is 9869364743.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2724318025 + 750321664 = 52195^2 + 27392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3474639689 is a prime.

It is not a weakly prime, because it can be changed into another prime (3474639683) 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, 1737319844 + 1737319845.

It is an arithmetic number, because the mean of its divisors is an integer number (1737319845).

Almost surely, 2^3474639689 is an apocalyptic number.

It is an amenable number.

3474639689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3474639689 is an equidigital number, since it uses as much as digits as its factorization.

3474639689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 59.

The square root of 3474639689 is about 58946.0744155198. The cubic root of 3474639689 is about 1514.6185054602.

The spelling of 3474639689 in words is "three billion, four hundred seventy-four million, six hundred thirty-nine thousand, six hundred eighty-nine".