424444324404091 has 2 divisors, whose sum is σ = 424444324404092. Its totient is φ = 424444324404090.

The previous prime is 424444324404073. The next prime is 424444324404211. The reversal of 424444324404091 is 190404423444424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424444324404091 - 2⁵ = 424444324404059 is a prime.

It is not a weakly prime, because it can be changed into another prime (424444324404011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212222162202045 + 212222162202046.

It is an arithmetic number, because the mean of its divisors is an integer number (212222162202046).

Almost surely, 2^{424444324404091} is an apocalyptic number.

424444324404091 is a deficient number, since it is larger than the sum of its proper divisors (1).

424444324404091 is an equidigital number, since it uses as much as digits as its factorization.

424444324404091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7077888, while the sum is 49.

The spelling of 424444324404091 in words is "four hundred twenty-four trillion, four hundred forty-four billion, three hundred twenty-four million, four hundred four thousand, ninety-one".