445452004210019 has 2 divisors, whose sum is σ = 445452004210020. Its totient is φ = 445452004210018.

The previous prime is 445452004209991. The next prime is 445452004210151. The reversal of 445452004210019 is 910012400254544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445452004210019 - 2⁴⁴ = 427859818165603 is a prime.

It is a super-2 number, since 2×445452004210019² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445452004218019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222726002105009 + 222726002105010.

It is an arithmetic number, because the mean of its divisors is an integer number (222726002105010).

Almost surely, 2^{445452004210019} is an apocalyptic number.

445452004210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

445452004210019 is an equidigital number, since it uses as much as digits as its factorization.

445452004210019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 445452004210019 in words is "four hundred forty-five trillion, four hundred fifty-two billion, four million, two hundred ten thousand, nineteen".