44643034643 has 4 divisors (see below), whose sum is σ = 44685593400. Its totient is φ = 44600475888.

The previous prime is 44643034591. The next prime is 44643034649. The reversal of 44643034643 is 34643034644.

44643034643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 44643034643 - 2¹⁰ = 44643033619 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 44643034643.

It is not an unprimeable number, because it can be changed into a prime (44643034649) 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, 21277805 + ... + 21279902.

It is an arithmetic number, because the mean of its divisors is an integer number (11171398350).

Almost surely, 2^44643034643 is an apocalyptic number.

44643034643 is a deficient number, since it is larger than the sum of its proper divisors (42558757).

44643034643 is a wasteful number, since it uses less digits than its factorization.

44643034643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42558756.

The product of its (nonzero) digits is 995328, while the sum is 41.

Subtracting from 44643034643 its reverse (34643034644), we obtain a palindrome (9999999999).

The spelling of 44643034643 in words is "forty-four billion, six hundred forty-three million, thirty-four thousand, six hundred forty-three".