42427985019 has 8 divisors (see below), whose sum is σ = 64652167680. Its totient is φ = 24244562856.

The previous prime is 42427984997. The next prime is 42427985053. The reversal of 42427985019 is 91058972424.

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

It is not a de Polignac number, because 42427985019 - 2⁷ = 42427984891 is a prime.

It is a super-2 number, since 2×42427985019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42427985419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010190099 + ... + 1010190140.

It is an arithmetic number, because the mean of its divisors is an integer number (8081520960).

Almost surely, 2^42427985019 is an apocalyptic number.

42427985019 is a deficient number, since it is larger than the sum of its proper divisors (22224182661).

42427985019 is a wasteful number, since it uses less digits than its factorization.

42427985019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020380249.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 42427985019 in words is "forty-two billion, four hundred twenty-seven million, nine hundred eighty-five thousand, nineteen".