3431663449 has 2 divisors, whose sum is σ = 3431663450. Its totient is φ = 3431663448.

The previous prime is 3431663441. The next prime is 3431663479. The reversal of 3431663449 is 9443661343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2156673600 + 1274989849 = 46440^2 + 35707^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431663449 - 2³ = 3431663441 is a prime.

It is not a weakly prime, because it can be changed into another prime (3431663441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715831724 + 1715831725.

It is an arithmetic number, because the mean of its divisors is an integer number (1715831725).

Almost surely, 2^3431663449 is an apocalyptic number.

It is an amenable number.

3431663449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431663449 is an equidigital number, since it uses as much as digits as its factorization.

3431663449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 43.

The square root of 3431663449 is about 58580.4015776608. The cubic root of 3431663449 is about 1508.3480390116.

The spelling of 3431663449 in words is "three billion, four hundred thirty-one million, six hundred sixty-three thousand, four hundred forty-nine".