1380347566999 has 2 divisors, whose sum is σ = 1380347567000. Its totient is φ = 1380347566998.

The previous prime is 1380347566861. The next prime is 1380347567021. The reversal of 1380347566999 is 9996657430831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380347566999 - 2²³ = 1380339178391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380347566799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690173783499 + 690173783500.

It is an arithmetic number, because the mean of its divisors is an integer number (690173783500).

Almost surely, 2^{1380347566999} is an apocalyptic number.

1380347566999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380347566999 is an equidigital number, since it uses as much as digits as its factorization.

1380347566999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264539520, while the sum is 70.

The spelling of 1380347566999 in words is "one trillion, three hundred eighty billion, three hundred forty-seven million, five hundred sixty-six thousand, nine hundred ninety-nine".