442244311144091 has 2 divisors, whose sum is σ = 442244311144092. Its totient is φ = 442244311144090.

The previous prime is 442244311144067. The next prime is 442244311144249. The reversal of 442244311144091 is 190441113442244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442244311144091 - 2¹⁰ = 442244311143067 is a prime.

It is not a weakly prime, because it can be changed into another prime (442244311144291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221122155572045 + 221122155572046.

It is an arithmetic number, because the mean of its divisors is an integer number (221122155572046).

Almost surely, 2^{442244311144091} is an apocalyptic number.

442244311144091 is a deficient number, since it is larger than the sum of its proper divisors (1).

442244311144091 is an equidigital number, since it uses as much as digits as its factorization.

442244311144091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 442244311144091 in words is "four hundred forty-two trillion, two hundred forty-four billion, three hundred eleven million, one hundred forty-four thousand, ninety-one".