42741584623 has 4 divisors (see below), whose sum is σ = 43156551568. Its totient is φ = 42326617680.

The previous prime is 42741584617. The next prime is 42741584681. The reversal of 42741584623 is 32648514724.

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 42741584623 - 2¹⁷ = 42741453551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42741584423) 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, 207483318 + ... + 207483523.

It is an arithmetic number, because the mean of its divisors is an integer number (10789137892).

Almost surely, 2^42741584623 is an apocalyptic number.

42741584623 is a deficient number, since it is larger than the sum of its proper divisors (414966945).

42741584623 is a wasteful number, since it uses less digits than its factorization.

42741584623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414966944.

The product of its digits is 1290240, while the sum is 46.

The spelling of 42741584623 in words is "forty-two billion, seven hundred forty-one million, five hundred eighty-four thousand, six hundred twenty-three".