3148744409 has 2 divisors, whose sum is σ = 3148744410. Its totient is φ = 3148744408.

The previous prime is 3148744399. The next prime is 3148744441. The reversal of 3148744409 is 9044478413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2659671184 + 489073225 = 51572^2 + 22115^2 .

It is an emirp because it is prime and its reverse (9044478413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3148744409 - 2⁸ = 3148744153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3148744409.

It is not a weakly prime, because it can be changed into another prime (3148740409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574372204 + 1574372205.

It is an arithmetic number, because the mean of its divisors is an integer number (1574372205).

Almost surely, 2^3148744409 is an apocalyptic number.

It is an amenable number.

3148744409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3148744409 is an equidigital number, since it uses as much as digits as its factorization.

3148744409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 3148744409 is about 56113.6739930652. The cubic root of 3148744409 is about 1465.7024139632.

The spelling of 3148744409 in words is "three billion, one hundred forty-eight million, seven hundred forty-four thousand, four hundred nine".