1363565963 has 2 divisors, whose sum is σ = 1363565964. Its totient is φ = 1363565962.

The previous prime is 1363565941. The next prime is 1363566011. The reversal of 1363565963 is 3695653631.

It is a weak prime.

It is an emirp because it is prime and its reverse (3695653631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1363565963 - 2⁶ = 1363565899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363565923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681782981 + 681782982.

It is an arithmetic number, because the mean of its divisors is an integer number (681782982).

Almost surely, 2^1363565963 is an apocalyptic number.

1363565963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363565963 is an equidigital number, since it uses as much as digits as its factorization.

1363565963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1312200, while the sum is 47.

The square root of 1363565963 is about 36926.4940523738. The cubic root of 1363565963 is about 1108.8991501788.

The spelling of 1363565963 in words is "one billion, three hundred sixty-three million, five hundred sixty-five thousand, nine hundred sixty-three".