1219563226163 has 4 divisors (see below), whose sum is σ = 1219636459080. Its totient is φ = 1219489993248.

The previous prime is 1219563226111. The next prime is 1219563226187. The reversal of 1219563226163 is 3616223659121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1219563226163 - 2¹⁴ = 1219563209779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1219563226363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36591473 + ... + 36624786.

It is an arithmetic number, because the mean of its divisors is an integer number (304909114770).

Almost surely, 2^{1219563226163} is an apocalyptic number.

1219563226163 is a deficient number, since it is larger than the sum of its proper divisors (73232917).

1219563226163 is an equidigital number, since it uses as much as digits as its factorization.

1219563226163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73232916.

The product of its digits is 699840, while the sum is 47.

The spelling of 1219563226163 in words is "one trillion, two hundred nineteen billion, five hundred sixty-three million, two hundred twenty-six thousand, one hundred sixty-three".