42351061543 has 8 divisors (see below), whose sum is σ = 48424488480. Its totient is φ = 36283453440.

The previous prime is 42351061513. The next prime is 42351061547. The reversal of 42351061543 is 34516015324.

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 42351061543 - 2¹³ = 42351053351 is a prime.

It is a super-2 number, since 2×42351061543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42351061499 and 42351061508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351061547) 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 7 ways as a sum of consecutive naturals, for example, 1439098 + ... + 1468231.

It is an arithmetic number, because the mean of its divisors is an integer number (6053061060).

Almost surely, 2^42351061543 is an apocalyptic number.

42351061543 is a deficient number, since it is larger than the sum of its proper divisors (6073426937).

42351061543 is a wasteful number, since it uses less digits than its factorization.

42351061543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909417.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 42351061543 its reverse (34516015324), we get a palindrome (76867076867).

The spelling of 42351061543 in words is "forty-two billion, three hundred fifty-one million, sixty-one thousand, five hundred forty-three".