3431609849 has 2 divisors, whose sum is σ = 3431609850. Its totient is φ = 3431609848.

The previous prime is 3431609833. The next prime is 3431609869. The reversal of 3431609849 is 9489061343.

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., 1736805625 + 1694804224 = 41675^2 + 41168^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431609849 - 2⁴ = 3431609833 is a prime.

It is a super-3 number, since 3×3431609849³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3431609809) 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, 1715804924 + 1715804925.

It is an arithmetic number, because the mean of its divisors is an integer number (1715804925).

Almost surely, 2^3431609849 is an apocalyptic number.

It is an amenable number.

3431609849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431609849 is an equidigital number, since it uses as much as digits as its factorization.

3431609849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 3431609849 is about 58579.9440849853. The cubic root of 3431609849 is about 1508.3401858837.

The spelling of 3431609849 in words is "three billion, four hundred thirty-one million, six hundred nine thousand, eight hundred forty-nine".