44345430643 has 4 divisors (see below), whose sum is σ = 44347467168. Its totient is φ = 44343394120.

The previous prime is 44345430641. The next prime is 44345430737. The reversal of 44345430643 is 34603454344.

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 44345430643 - 2¹ = 44345430641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44345430596 and 44345430605.

It is not an unprimeable number, because it can be changed into a prime (44345430641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985243 + ... + 1029268.

It is an arithmetic number, because the mean of its divisors is an integer number (11086866792).

Almost surely, 2^44345430643 is an apocalyptic number.

44345430643 is a deficient number, since it is larger than the sum of its proper divisors (2036525).

44345430643 is a wasteful number, since it uses less digits than its factorization.

44345430643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036524.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 44345430643 its reverse (34603454344), we get a palindrome (78948884987).

The spelling of 44345430643 in words is "forty-four billion, three hundred forty-five million, four hundred thirty thousand, six hundred forty-three".