42425042143 has 6 divisors (see below), whose sum is σ = 46632484472. Its totient is φ = 38568220020.

The previous prime is 42425042131. The next prime is 42425042161. The reversal of 42425042143 is 34124052424.

It is not a de Polignac number, because 42425042143 - 2¹⁷ = 42424911071 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 (42425042843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175309971 + ... + 175310212.

Almost surely, 2^42425042143 is an apocalyptic number.

42425042143 is a deficient number, since it is larger than the sum of its proper divisors (4207442329).

42425042143 is a wasteful number, since it uses less digits than its factorization.

42425042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350620205 (or 350620194 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 42425042143 its reverse (34124052424), we get a palindrome (76549094567).

The spelling of 42425042143 in words is "forty-two billion, four hundred twenty-five million, forty-two thousand, one hundred forty-three".