1383315889 has 2 divisors, whose sum is σ = 1383315890. Its totient is φ = 1383315888.

The previous prime is 1383315859. The next prime is 1383315911. The reversal of 1383315889 is 9885133831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1282212864 + 101103025 = 35808^2 + 10055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383315889 - 2²⁷ = 1249098161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1383315859) 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, 691657944 + 691657945.

It is an arithmetic number, because the mean of its divisors is an integer number (691657945).

Almost surely, 2^1383315889 is an apocalyptic number.

It is an amenable number.

1383315889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383315889 is an equidigital number, since it uses as much as digits as its factorization.

1383315889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 1383315889 is about 37192.9548301826. The cubic root of 1383315889 is about 1114.2272831254.

The spelling of 1383315889 in words is "one billion, three hundred eighty-three million, three hundred fifteen thousand, eight hundred eighty-nine".