44643234643 has 8 divisors (see below), whose sum is σ = 51022511712. Its totient is φ = 38264375616.

The previous prime is 44643234619. The next prime is 44643234653. The reversal of 44643234643 is 34643234644.

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

It is a cyclic number.

It is not a de Polignac number, because 44643234643 - 2⁵ = 44643234611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44643234643.

It is not an unprimeable number, because it can be changed into a prime (44643234653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173721 + ... + 345637.

It is an arithmetic number, because the mean of its divisors is an integer number (6377813964).

Almost surely, 2^44643234643 is an apocalyptic number.

44643234643 is a deficient number, since it is larger than the sum of its proper divisors (6379277069).

44643234643 is a wasteful number, since it uses less digits than its factorization.

44643234643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209021.

The product of its digits is 1990656, while the sum is 43.

Subtracting from 44643234643 its reverse (34643234644), we obtain a palindrome (9999999999).

The spelling of 44643234643 in words is "forty-four billion, six hundred forty-three million, two hundred thirty-four thousand, six hundred forty-three".