442473007091 has 2 divisors, whose sum is σ = 442473007092. Its totient is φ = 442473007090.

The previous prime is 442473007051. The next prime is 442473007153. The reversal of 442473007091 is 190700374244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442473007091 - 2¹⁰ = 442473006067 is a prime.

It is not a weakly prime, because it can be changed into another prime (442473007051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221236503545 + 221236503546.

It is an arithmetic number, because the mean of its divisors is an integer number (221236503546).

Almost surely, 2^442473007091 is an apocalyptic number.

442473007091 is a deficient number, since it is larger than the sum of its proper divisors (1).

442473007091 is an equidigital number, since it uses as much as digits as its factorization.

442473007091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 442473007091 in words is "four hundred forty-two billion, four hundred seventy-three million, seven thousand, ninety-one".