1339784602489 has 2 divisors, whose sum is σ = 1339784602490. Its totient is φ = 1339784602488.

The previous prime is 1339784602483. The next prime is 1339784602543. The reversal of 1339784602489 is 9842064879331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952039275625 + 387745326864 = 975725^2 + 622692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1339784602489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1339784602489.

It is not a weakly prime, because it can be changed into another prime (1339784602483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669892301244 + 669892301245.

It is an arithmetic number, because the mean of its divisors is an integer number (669892301245).

Almost surely, 2^{1339784602489} is an apocalyptic number.

It is an amenable number.

1339784602489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339784602489 is an equidigital number, since it uses as much as digits as its factorization.

1339784602489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 1339784602489 in words is "one trillion, three hundred thirty-nine billion, seven hundred eighty-four million, six hundred two thousand, four hundred eighty-nine".