1361326517963 has 2 divisors, whose sum is σ = 1361326517964. Its totient is φ = 1361326517962.

The previous prime is 1361326517917. The next prime is 1361326517981. The reversal of 1361326517963 is 3697156231631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361326517963 - 2⁶ = 1361326517899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361326517063) 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, 680663258981 + 680663258982.

It is an arithmetic number, because the mean of its divisors is an integer number (680663258982).

Almost surely, 2^{1361326517963} is an apocalyptic number.

1361326517963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361326517963 is an equidigital number, since it uses as much as digits as its factorization.

1361326517963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 53.

The spelling of 1361326517963 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, five hundred seventeen thousand, nine hundred sixty-three".