223486421761 has 2 divisors, whose sum is σ = 223486421762. Its totient is φ = 223486421760.

The previous prime is 223486421759. The next prime is 223486421843. The reversal of 223486421761 is 167124684322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199490862736 + 23995559025 = 446644^2 + 154905^2 .

It is a cyclic number.

It is not a de Polignac number, because 223486421761 - 2¹ = 223486421759 is a prime.

It is a super-2 number, since 2×223486421761² (a number of 23 digits) contains 22 as substring.

Together with 223486421759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223486421261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111743210880 + 111743210881.

It is an arithmetic number, because the mean of its divisors is an integer number (111743210881).

Almost surely, 2^223486421761 is an apocalyptic number.

It is an amenable number.

223486421761 is a deficient number, since it is larger than the sum of its proper divisors (1).

223486421761 is an equidigital number, since it uses as much as digits as its factorization.

223486421761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The spelling of 223486421761 in words is "two hundred twenty-three billion, four hundred eighty-six million, four hundred twenty-one thousand, seven hundred sixty-one".