1361777623163 has 2 divisors, whose sum is σ = 1361777623164. Its totient is φ = 1361777623162.

The previous prime is 1361777623159. The next prime is 1361777623183. The reversal of 1361777623163 is 3613267771631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361777623163 - 2² = 1361777623159 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1361777623123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680888811581 + 680888811582.

It is an arithmetic number, because the mean of its divisors is an integer number (680888811582).

Almost surely, 2^{1361777623163} is an apocalyptic number.

1361777623163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361777623163 is an equidigital number, since it uses as much as digits as its factorization.

1361777623163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 53.

The spelling of 1361777623163 in words is "one trillion, three hundred sixty-one billion, seven hundred seventy-seven million, six hundred twenty-three thousand, one hundred sixty-three".