42530122019 has 8 divisors (see below), whose sum is σ = 53024567808. Its totient is φ = 33140354760.

The previous prime is 42530122007. The next prime is 42530122021. The reversal of 42530122019 is 91022103524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42530122019 is a prime.

It is a super-2 number, since 2×42530122019² (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 = 42530121982 and 42530122000.

It is not an unprimeable number, because it can be changed into a prime (42530122619) 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, 276169547 + ... + 276169700.

It is an arithmetic number, because the mean of its divisors is an integer number (6628070976).

Almost surely, 2^42530122019 is an apocalyptic number.

42530122019 is a deficient number, since it is larger than the sum of its proper divisors (10494445789).

42530122019 is a wasteful number, since it uses less digits than its factorization.

42530122019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552339265.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 42530122019 in words is "forty-two billion, five hundred thirty million, one hundred twenty-two thousand, nineteen".