3431616449 has 2 divisors, whose sum is σ = 3431616450. Its totient is φ = 3431616448.

The previous prime is 3431616407. The next prime is 3431616497. The reversal of 3431616449 is 9446161343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3431616400 + 49 = 58580^2 + 7^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431616449 is a prime.

It is not a weakly prime, because it can be changed into another prime (3431616649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715808224 + 1715808225.

It is an arithmetic number, because the mean of its divisors is an integer number (1715808225).

Almost surely, 2^3431616449 is an apocalyptic number.

It is an amenable number.

3431616449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431616449 is an equidigital number, since it uses as much as digits as its factorization.

3431616449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 3431616449 is about 58580.0004182315. Note that the first 3 decimals coincide. The cubic root of 3431616449 is about 1508.3411528777.

It can be divided in two parts, 34316164 and 49, that multiplied together give a square (1681492036 = 41006²).

The spelling of 3431616449 in words is "three billion, four hundred thirty-one million, six hundred sixteen thousand, four hundred forty-nine".