42043043019 has 8 divisors (see below), whose sum is σ = 56571679120. Its totient is φ = 27771551136.

The previous prime is 42043043017. The next prime is 42043043023. The reversal of 42043043019 is 91034034024.

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

It is not a de Polignac number, because 42043043019 - 2¹ = 42043043017 is a prime.

It is a super-2 number, since 2×42043043019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42043043017) 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, 64285672 + ... + 64286325.

It is an arithmetic number, because the mean of its divisors is an integer number (7071459890).

Almost surely, 2^42043043019 is an apocalyptic number.

42043043019 is a deficient number, since it is larger than the sum of its proper divisors (14528636101).

42043043019 is a wasteful number, since it uses less digits than its factorization.

42043043019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128572109.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 42043043019 in words is "forty-two billion, forty-three million, forty-three thousand, nineteen".