44646580673 has 4 divisors (see below), whose sum is σ = 44653540308. Its totient is φ = 44639621040.

The previous prime is 44646580661. The next prime is 44646580679. The reversal of 44646580673 is 37608564644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13785577744 + 30861002929 = 117412^2 + 175673^2 .

It is a cyclic number.

It is not a de Polignac number, because 44646580673 - 2¹² = 44646576577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44646580679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470186 + ... + 3483027.

It is an arithmetic number, because the mean of its divisors is an integer number (11163385077).

Almost surely, 2^44646580673 is an apocalyptic number.

It is an amenable number.

44646580673 is a deficient number, since it is larger than the sum of its proper divisors (6959635).

44646580673 is an equidigital number, since it uses as much as digits as its factorization.

44646580673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959634.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 44646580673 in words is "forty-four billion, six hundred forty-six million, five hundred eighty thousand, six hundred seventy-three".