44654645643 has 8 divisors (see below), whose sum is σ = 61592614800. Its totient is φ = 28743220128.

The previous prime is 44654645597. The next prime is 44654645677. The reversal of 44654645643 is 34654645644.

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

It is not a de Polignac number, because 44654645643 - 2⁶ = 44654645579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44654649643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256635808 + ... + 256635981.

It is an arithmetic number, because the mean of its divisors is an integer number (7699076850).

Almost surely, 2^44654645643 is an apocalyptic number.

44654645643 is a deficient number, since it is larger than the sum of its proper divisors (16937969157).

44654645643 is a wasteful number, since it uses less digits than its factorization.

44654645643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513271821.

The product of its digits is 16588800, while the sum is 51.

Subtracting from 44654645643 its reverse (34654645644), we obtain a palindrome (9999999999).

The spelling of 44654645643 in words is "forty-four billion, six hundred fifty-four million, six hundred forty-five thousand, six hundred forty-three".