1220463568873 has 2 divisors, whose sum is σ = 1220463568874. Its totient is φ = 1220463568872.

The previous prime is 1220463568837. The next prime is 1220463568927. The reversal of 1220463568873 is 3788653640221.

Together with previous prime (1220463568837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 738754002064 + 481709566809 = 859508^2 + 694053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220463568873 - 2¹³ = 1220463560681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220463568273) 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 as a sum of consecutive naturals, namely, 610231784436 + 610231784437.

It is an arithmetic number, because the mean of its divisors is an integer number (610231784437).

Almost surely, 2^{1220463568873} is an apocalyptic number.

It is an amenable number.

1220463568873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220463568873 is an equidigital number, since it uses as much as digits as its factorization.

1220463568873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 1220463568873 in words is "one trillion, two hundred twenty billion, four hundred sixty-three million, five hundred sixty-eight thousand, eight hundred seventy-three".