3149005439 has 2 divisors, whose sum is σ = 3149005440. Its totient is φ = 3149005438.

The previous prime is 3149005393. The next prime is 3149005459. The reversal of 3149005439 is 9345009413.

It is a strong prime.

It is an emirp because it is prime and its reverse (9345009413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3149005439 - 2¹² = 3149001343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3149005459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574502719 + 1574502720.

It is an arithmetic number, because the mean of its divisors is an integer number (1574502720).

Almost surely, 2^3149005439 is an apocalyptic number.

3149005439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149005439 is an equidigital number, since it uses as much as digits as its factorization.

3149005439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 3149005439 is about 56115.9998485280. Note that the first 3 decimals coincide. The cubic root of 3149005439 is about 1465.7429149460.

The spelling of 3149005439 in words is "three billion, one hundred forty-nine million, five thousand, four hundred thirty-nine".