3149450273 has 2 divisors, whose sum is σ = 3149450274. Its totient is φ = 3149450272.

The previous prime is 3149450201. The next prime is 3149450287. The reversal of 3149450273 is 3720549413.

3149450273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2509208464 + 640241809 = 50092^2 + 25303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149450273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3149450573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574725136 + 1574725137.

It is an arithmetic number, because the mean of its divisors is an integer number (1574725137).

Almost surely, 2^3149450273 is an apocalyptic number.

It is an amenable number.

3149450273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149450273 is an equidigital number, since it uses as much as digits as its factorization.

3149450273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 3149450273 is about 56119.9632305653. The cubic root of 3149450273 is about 1465.8119294965.

Adding to 3149450273 its reverse (3720549413), we get a palindrome (6869999686).

The spelling of 3149450273 in words is "three billion, one hundred forty-nine million, four hundred fifty thousand, two hundred seventy-three".