445747277712021 has 8 divisors (see below), whose sum is σ = 603200296207584. Its totient is φ = 292729555512240.

The previous prime is 445747277711999. The next prime is 445747277712041. The reversal of 445747277712021 is 120217772747544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445747277712021 - 2¹⁰ = 445747277710997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445747277712041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108824073710 + ... + 1108824074111.

It is an arithmetic number, because the mean of its divisors is an integer number (75400037025948).

Almost surely, 2^{445747277712021} is an apocalyptic number.

It is an amenable number.

445747277712021 is a deficient number, since it is larger than the sum of its proper divisors (157453018495563).

445747277712021 is a wasteful number, since it uses less digits than its factorization.

445747277712021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217648147891.

The product of its (nonzero) digits is 43025920, while the sum is 60.

The spelling of 445747277712021 in words is "four hundred forty-five trillion, seven hundred forty-seven billion, two hundred seventy-seven million, seven hundred twelve thousand, twenty-one".