3438305249 has 2 divisors, whose sum is σ = 3438305250. Its totient is φ = 3438305248.

The previous prime is 3438305243. The next prime is 3438305293. The reversal of 3438305249 is 9425038343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3427282849 + 11022400 = 58543^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 3438305249 - 2¹⁶ = 3438239713 is a prime.

It is not a weakly prime, because it can be changed into another prime (3438305243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719152624 + 1719152625.

It is an arithmetic number, because the mean of its divisors is an integer number (1719152625).

Almost surely, 2^3438305249 is an apocalyptic number.

It is an amenable number.

3438305249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438305249 is an equidigital number, since it uses as much as digits as its factorization.

3438305249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 3438305249 is about 58637.0637822188. The cubic root of 3438305249 is about 1509.3205207152.

The spelling of 3438305249 in words is "three billion, four hundred thirty-eight million, three hundred five thousand, two hundred forty-nine".