1380305363 has 2 divisors, whose sum is σ = 1380305364. Its totient is φ = 1380305362.

The previous prime is 1380305359. The next prime is 1380305383. The reversal of 1380305363 is 3635030831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380305363 - 2² = 1380305359 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380305383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690152681 + 690152682.

It is an arithmetic number, because the mean of its divisors is an integer number (690152682).

Almost surely, 2^1380305363 is an apocalyptic number.

1380305363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380305363 is an equidigital number, since it uses as much as digits as its factorization.

1380305363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 1380305363 is about 37152.4610624922. The cubic root of 1380305363 is about 1113.4183942345.

The spelling of 1380305363 in words is "one billion, three hundred eighty million, three hundred five thousand, three hundred sixty-three".