3149634209 has 2 divisors, whose sum is σ = 3149634210. Its totient is φ = 3149634208.

The previous prime is 3149634203. The next prime is 3149634223. The reversal of 3149634209 is 9024369413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755358609 + 1394275600 = 41897^2 + 37340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149634209 - 2¹⁶ = 3149568673 is a prime.

It is not a weakly prime, because it can be changed into another prime (3149634203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574817104 + 1574817105.

It is an arithmetic number, because the mean of its divisors is an integer number (1574817105).

Almost surely, 2^3149634209 is an apocalyptic number.

It is an amenable number.

3149634209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149634209 is an equidigital number, since it uses as much as digits as its factorization.

3149634209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 3149634209 is about 56121.6019817681. The cubic root of 3149634209 is about 1465.8404646705.

The spelling of 3149634209 in words is "three billion, one hundred forty-nine million, six hundred thirty-four thousand, two hundred nine".