44623432643 has 4 divisors (see below), whose sum is σ = 44624579088. Its totient is φ = 44622286200.

The previous prime is 44623432619. The next prime is 44623432657. The reversal of 44623432643 is 34623432644.

44623432643 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 44623432643 - 2⁸ = 44623432387 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 44623432643.

It is not an unprimeable number, because it can be changed into a prime (44623132643) 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, 512708 + ... + 593393.

It is an arithmetic number, because the mean of its divisors is an integer number (11156144772).

Almost surely, 2^44623432643 is an apocalyptic number.

44623432643 is a deficient number, since it is larger than the sum of its proper divisors (1146445).

44623432643 is a wasteful number, since it uses less digits than its factorization.

44623432643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146444.

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

Subtracting from 44623432643 its reverse (34623432644), we obtain a palindrome (9999999999).

The spelling of 44623432643 in words is "forty-four billion, six hundred twenty-three million, four hundred thirty-two thousand, six hundred forty-three".