42021301543 has 8 divisors (see below), whose sum is σ = 45488187248. Its totient is φ = 38587912704.

The previous prime is 42021301523. The next prime is 42021301549. The reversal of 42021301543 is 34510312024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42021301543 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 (42021301549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8371605 + ... + 8376622.

It is an arithmetic number, because the mean of its divisors is an integer number (5686023406).

Almost surely, 2^42021301543 is an apocalyptic number.

42021301543 is a deficient number, since it is larger than the sum of its proper divisors (3466885705).

42021301543 is a wasteful number, since it uses less digits than its factorization.

42021301543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748433.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42021301543 its reverse (34510312024), we get a palindrome (76531613567).

The spelling of 42021301543 in words is "forty-two billion, twenty-one million, three hundred one thousand, five hundred forty-three".