445006130320091 has 2 divisors, whose sum is σ = 445006130320092. Its totient is φ = 445006130320090.

The previous prime is 445006130320051. The next prime is 445006130320123. The reversal of 445006130320091 is 190023031600544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445006130320091 - 2⁶ = 445006130320027 is a prime.

It is not a weakly prime, because it can be changed into another prime (445006130320021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222503065160045 + 222503065160046.

It is an arithmetic number, because the mean of its divisors is an integer number (222503065160046).

Almost surely, 2^{445006130320091} is an apocalyptic number.

445006130320091 is a deficient number, since it is larger than the sum of its proper divisors (1).

445006130320091 is an equidigital number, since it uses as much as digits as its factorization.

445006130320091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 445006130320091 in words is "four hundred forty-five trillion, six billion, one hundred thirty million, three hundred twenty thousand, ninety-one".