1380575084639 has 2 divisors, whose sum is σ = 1380575084640. Its totient is φ = 1380575084638.

The previous prime is 1380575084611. The next prime is 1380575084719. The reversal of 1380575084639 is 9364805750831.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9364805750831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1380575084639 - 2³² = 1376280117343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380575089639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690287542319 + 690287542320.

It is an arithmetic number, because the mean of its divisors is an integer number (690287542320).

Almost surely, 2^{1380575084639} is an apocalyptic number.

1380575084639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380575084639 is an equidigital number, since it uses as much as digits as its factorization.

1380575084639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 1380575084639 in words is "one trillion, three hundred eighty billion, five hundred seventy-five million, eighty-four thousand, six hundred thirty-nine".