444679966993 has 8 divisors (see below), whose sum is σ = 447093636480. Its totient is φ = 442270400880.

The previous prime is 444679966933. The next prime is 444679967027. The reversal of 444679966993 is 399669976444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444679966993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444679966933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808393 + ... + 1242118.

It is an arithmetic number, because the mean of its divisors is an integer number (55886704560).

Almost surely, 2^444679966993 is an apocalyptic number.

It is an amenable number.

444679966993 is a deficient number, since it is larger than the sum of its proper divisors (2413669487).

444679966993 is a wasteful number, since it uses less digits than its factorization.

444679966993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051687.

The product of its digits is 1904684544, while the sum is 76.

The spelling of 444679966993 in words is "four hundred forty-four billion, six hundred seventy-nine million, nine hundred sixty-six thousand, nine hundred ninety-three".