42544011603 has 8 divisors (see below), whose sum is σ = 56736476608. Its totient is φ = 28357110504.

The previous prime is 42544011581. The next prime is 42544011673. The reversal of 42544011603 is 30611044524.

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

It is not a de Polignac number, because 42544011603 - 2⁸ = 42544011347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42544011673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373101 + ... + 1403742.

It is an arithmetic number, because the mean of its divisors is an integer number (7092059576).

Almost surely, 2^42544011603 is an apocalyptic number.

42544011603 is a deficient number, since it is larger than the sum of its proper divisors (14192465005).

42544011603 is a wasteful number, since it uses less digits than its factorization.

42544011603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781953.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 42544011603 in words is "forty-two billion, five hundred forty-four million, eleven thousand, six hundred three".