424444400111477 has 2 divisors, whose sum is σ = 424444400111478. Its totient is φ = 424444400111476.

The previous prime is 424444400111441. The next prime is 424444400111483. The reversal of 424444400111477 is 774111004444424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419089313532241 + 5355086579236 = 20471671^2 + 2314106^2 .

It is a cyclic number.

It is not a de Polignac number, because 424444400111477 - 2²⁴ = 424444383334261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424444400111777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212222200055738 + 212222200055739.

It is an arithmetic number, because the mean of its divisors is an integer number (212222200055739).

Almost surely, 2^{424444400111477} is an apocalyptic number.

It is an amenable number.

424444400111477 is a deficient number, since it is larger than the sum of its proper divisors (1).

424444400111477 is an equidigital number, since it uses as much as digits as its factorization.

424444400111477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1605632, while the sum is 47.

The spelling of 424444400111477 in words is "four hundred twenty-four trillion, four hundred forty-four billion, four hundred million, one hundred eleven thousand, four hundred seventy-seven".