42346213543 has 4 divisors (see below), whose sum is σ = 42484149400. Its totient is φ = 42208277688.

The previous prime is 42346213519. The next prime is 42346213571. The reversal of 42346213543 is 34531264324.

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 42346213543 - 2¹³ = 42346205351 is a prime.

It is a super-2 number, since 2×42346213543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42346213243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68967468 + ... + 68968081.

It is an arithmetic number, because the mean of its divisors is an integer number (10621037350).

Almost surely, 2^42346213543 is an apocalyptic number.

42346213543 is a deficient number, since it is larger than the sum of its proper divisors (137935857).

42346213543 is a wasteful number, since it uses less digits than its factorization.

42346213543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137935856.

The product of its digits is 207360, while the sum is 37.

Adding to 42346213543 its reverse (34531264324), we get a palindrome (76877477867).

The spelling of 42346213543 in words is "forty-two billion, three hundred forty-six million, two hundred thirteen thousand, five hundred forty-three".