424416624161 has 2 divisors, whose sum is σ = 424416624162. Its totient is φ = 424416624160.

The previous prime is 424416624109. The next prime is 424416624211. The reversal of 424416624161 is 161426614424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258616999936 + 165799624225 = 508544^2 + 407185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424416624161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424416224161) 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, 212208312080 + 212208312081.

It is an arithmetic number, because the mean of its divisors is an integer number (212208312081).

Almost surely, 2^424416624161 is an apocalyptic number.

It is an amenable number.

424416624161 is a deficient number, since it is larger than the sum of its proper divisors (1).

424416624161 is an equidigital number, since it uses as much as digits as its factorization.

424416624161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 41.

The spelling of 424416624161 in words is "four hundred twenty-four billion, four hundred sixteen million, six hundred twenty-four thousand, one hundred sixty-one".