5381990309 has 2 divisors, whose sum is σ = 5381990310. Its totient is φ = 5381990308.

The previous prime is 5381990297. The next prime is 5381990323. The reversal of 5381990309 is 9030991835.

5381990309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4610817409 + 771172900 = 67903^2 + 27770^2 .

It is a cyclic number.

It is not a de Polignac number, because 5381990309 - 2¹⁶ = 5381924773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5381990909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690995154 + 2690995155.

It is an arithmetic number, because the mean of its divisors is an integer number (2690995155).

Almost surely, 2^5381990309 is an apocalyptic number.

It is an amenable number.

5381990309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5381990309 is an equidigital number, since it uses as much as digits as its factorization.

5381990309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 5381990309 is about 73362.0495147184. The cubic root of 5381990309 is about 1752.4580759648.

The spelling of 5381990309 in words is "five billion, three hundred eighty-one million, nine hundred ninety thousand, three hundred nine".