444621606744623 has 32 divisors (see below), whose sum is σ = 583893015859200. Its totient is φ = 335282317524000.

The previous prime is 444621606744613. The next prime is 444621606744671. The reversal of 444621606744623 is 326447606126444.

It is a happy number.

It is not a de Polignac number, because 444621606744623 - 2⁴ = 444621606744607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444621606744613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1900576448 + ... + 1900810373.

It is an arithmetic number, because the mean of its divisors is an integer number (18246656745600).

Almost surely, 2^{444621606744623} is an apocalyptic number.

444621606744623 is a deficient number, since it is larger than the sum of its proper divisors (139271409114577).

444621606744623 is a wasteful number, since it uses less digits than its factorization.

444621606744623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801386884 (or 3801386870 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 59.

The spelling of 444621606744623 in words is "four hundred forty-four trillion, six hundred twenty-one billion, six hundred six million, seven hundred forty-four thousand, six hundred twenty-three".