1389578383 has 2 divisors, whose sum is σ = 1389578384. Its totient is φ = 1389578382.

The previous prime is 1389578369. The next prime is 1389578387. The reversal of 1389578383 is 3838759831.

It is a strong prime.

It is an emirp because it is prime and its reverse (3838759831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1389578383 - 2²⁵ = 1356023951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1389578387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694789191 + 694789192.

It is an arithmetic number, because the mean of its divisors is an integer number (694789192).

Almost surely, 2^1389578383 is an apocalyptic number.

1389578383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1389578383 is an equidigital number, since it uses as much as digits as its factorization.

1389578383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The square root of 1389578383 is about 37277.0490114226. The cubic root of 1389578383 is about 1115.9061809575.

The spelling of 1389578383 in words is "one billion, three hundred eighty-nine million, five hundred seventy-eight thousand, three hundred eighty-three".