5319372049549 has 2 divisors, whose sum is σ = 5319372049550. Its totient is φ = 5319372049548.

The previous prime is 5319372049499. The next prime is 5319372049643. The reversal of 5319372049549 is 9459402739135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3081804827049 + 2237567222500 = 1755507^2 + 1495850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5319372049549 - 2⁹ = 5319372049037 is a prime.

It is a super-2 number, since 2×5319372049549² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5319372041549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659686024774 + 2659686024775.

It is an arithmetic number, because the mean of its divisors is an integer number (2659686024775).

Almost surely, 2^{5319372049549} is an apocalyptic number.

It is an amenable number.

5319372049549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5319372049549 is an equidigital number, since it uses as much as digits as its factorization.

5319372049549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 5319372049549 in words is "five trillion, three hundred nineteen billion, three hundred seventy-two million, forty-nine thousand, five hundred forty-nine".