42361412543 has 4 divisors (see below), whose sum is σ = 42526243200. Its totient is φ = 42196581888.

The previous prime is 42361412539. The next prime is 42361412557. The reversal of 42361412543 is 34521416324.

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 42361412543 - 2² = 42361412539 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 (42361412593) 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, 82414943 + ... + 82415456.

It is an arithmetic number, because the mean of its divisors is an integer number (10631560800).

Almost surely, 2^42361412543 is an apocalyptic number.

42361412543 is a deficient number, since it is larger than the sum of its proper divisors (164830657).

42361412543 is a wasteful number, since it uses less digits than its factorization.

42361412543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164830656.

The product of its digits is 69120, while the sum is 35.

Adding to 42361412543 its reverse (34521416324), we get a palindrome (76882828867).

The spelling of 42361412543 in words is "forty-two billion, three hundred sixty-one million, four hundred twelve thousand, five hundred forty-three".