444214134773565 has 64 divisors (see below), whose sum is σ = 769315102085376. Its totient is φ = 217575798515712.

The previous prime is 444214134773557. The next prime is 444214134773621. The reversal of 444214134773565 is 565377431412444.

It is not a de Polignac number, because 444214134773565 - 2³ = 444214134773557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444214134773499 and 444214134773508.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3351911394 + ... + 3352043916.

It is an arithmetic number, because the mean of its divisors is an integer number (12020548470084).

Almost surely, 2^{444214134773565} is an apocalyptic number.

It is an amenable number.

444214134773565 is a deficient number, since it is larger than the sum of its proper divisors (325100967311811).

444214134773565 is a wasteful number, since it uses less digits than its factorization.

444214134773565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219998.

The product of its digits is 135475200, while the sum is 60.

The spelling of 444214134773565 in words is "four hundred forty-four trillion, two hundred fourteen billion, one hundred thirty-four million, seven hundred seventy-three thousand, five hundred sixty-five".