1380099289 has 2 divisors, whose sum is σ = 1380099290. Its totient is φ = 1380099288.

The previous prime is 1380099247. The next prime is 1380099313. The reversal of 1380099289 is 9829900831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161650889 + 218448400 = 34083^2 + 14780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380099289 - 2¹¹ = 1380097241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380099989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690049644 + 690049645.

It is an arithmetic number, because the mean of its divisors is an integer number (690049645).

Almost surely, 2^1380099289 is an apocalyptic number.

It is an amenable number.

1380099289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380099289 is an equidigital number, since it uses as much as digits as its factorization.

1380099289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1380099289 is about 37149.6876029934. The cubic root of 1380099289 is about 1113.3629818579.

The spelling of 1380099289 in words is "one billion, three hundred eighty million, ninety-nine thousand, two hundred eighty-nine".