4427641552065 has 16 divisors (see below), whose sum is σ = 7088160022656. Its totient is φ = 2360097648000.

The previous prime is 4427641552039. The next prime is 4427641552093. The reversal of 4427641552065 is 5602551467244.

It is not a de Polignac number, because 4427641552065 - 2¹⁰ = 4427641551041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4427641551999 and 4427641552017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81920821 + ... + 81974850.

It is an arithmetic number, because the mean of its divisors is an integer number (443010001416).

Almost surely, 2^{4427641552065} is an apocalyptic number.

It is an amenable number.

4427641552065 is a deficient number, since it is larger than the sum of its proper divisors (2660518470591).

4427641552065 is a wasteful number, since it uses less digits than its factorization.

4427641552065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163897480.

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 4427641552065 in words is "four trillion, four hundred twenty-seven billion, six hundred forty-one million, five hundred fifty-two thousand, sixty-five".