42004343563 has 32 divisors (see below), whose sum is σ = 54783945216. Its totient is φ = 31253395968.

The previous prime is 42004343527. The next prime is 42004343569. The reversal of 42004343563 is 36534340024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42004343563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42004343569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1974220 + ... + 1995382.

It is an arithmetic number, because the mean of its divisors is an integer number (1711998288).

Almost surely, 2^42004343563 is an apocalyptic number.

42004343563 is a deficient number, since it is larger than the sum of its proper divisors (12779601653).

42004343563 is a wasteful number, since it uses less digits than its factorization.

42004343563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22483.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 42004343563 its reverse (36534340024), we get a palindrome (78538683587).

The spelling of 42004343563 in words is "forty-two billion, four million, three hundred forty-three thousand, five hundred sixty-three".