44661120643 has 8 divisors (see below), whose sum is σ = 47081160720. Its totient is φ = 42248026080.

The previous prime is 44661120611. The next prime is 44661120649. The reversal of 44661120643 is 34602116644.

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

It is not a de Polignac number, because 44661120643 - 2⁵ = 44661120611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44661120649) 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, 1723168 + ... + 1748893.

It is an arithmetic number, because the mean of its divisors is an integer number (5885145090).

Almost surely, 2^44661120643 is an apocalyptic number.

44661120643 is a deficient number, since it is larger than the sum of its proper divisors (2420040077).

44661120643 is a wasteful number, since it uses less digits than its factorization.

44661120643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472757.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 44661120643 in words is "forty-four billion, six hundred sixty-one million, one hundred twenty thousand, six hundred forty-three".