42352361643 has 8 divisors (see below), whose sum is σ = 56490656256. Its totient is φ = 28224487400.

The previous prime is 42352361633. The next prime is 42352361659. The reversal of 42352361643 is 34616325324.

42352361643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42352361643 - 2¹³ = 42352353451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42352361633) 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, 2595603 + ... + 2611868.

It is an arithmetic number, because the mean of its divisors is an integer number (7061332032).

Almost surely, 2^42352361643 is an apocalyptic number.

42352361643 is a deficient number, since it is larger than the sum of its proper divisors (14138294613).

42352361643 is a wasteful number, since it uses less digits than its factorization.

42352361643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210185.

The product of its digits is 311040, while the sum is 39.

Adding to 42352361643 its reverse (34616325324), we get a palindrome (76968686967).

The spelling of 42352361643 in words is "forty-two billion, three hundred fifty-two million, three hundred sixty-one thousand, six hundred forty-three".