1383049813 has 2 divisors, whose sum is σ = 1383049814. Its totient is φ = 1383049812.

The previous prime is 1383049783. The next prime is 1383049819. The reversal of 1383049813 is 3189403831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317472209 + 65577604 = 36297^2 + 8098^2 .

It is an emirp because it is prime and its reverse (3189403831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383049813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383049819) 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, 691524906 + 691524907.

It is an arithmetic number, because the mean of its divisors is an integer number (691524907).

Almost surely, 2^1383049813 is an apocalyptic number.

It is an amenable number.

1383049813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383049813 is an equidigital number, since it uses as much as digits as its factorization.

1383049813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1383049813 is about 37189.3776904105. The cubic root of 1383049813 is about 1114.1558392970.

The spelling of 1383049813 in words is "one billion, three hundred eighty-three million, forty-nine thousand, eight hundred thirteen".