445056011609 has 16 divisors (see below), whose sum is σ = 528692184000. Its totient is φ = 370084518720.

The previous prime is 445056011599. The next prime is 445056011611. The reversal of 445056011609 is 906110650544.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445056011609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445056011669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36708674 + ... + 36720795.

It is an arithmetic number, because the mean of its divisors is an integer number (33043261500).

Almost surely, 2^445056011609 is an apocalyptic number.

It is an amenable number.

445056011609 is a deficient number, since it is larger than the sum of its proper divisors (83636172391).

445056011609 is a wasteful number, since it uses less digits than its factorization.

445056011609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73429528.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 445056011609 in words is "four hundred forty-five billion, fifty-six million, eleven thousand, six hundred nine".