42038072519 has 4 divisors (see below), whose sum is σ = 42038726760. Its totient is φ = 42037418280.

The previous prime is 42038072497. The next prime is 42038072521. The reversal of 42038072519 is 91527083024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42038072519 is a prime.

It is a super-2 number, since 2×42038072519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42038072819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218777 + ... + 363234.

It is an arithmetic number, because the mean of its divisors is an integer number (10509681690).

Almost surely, 2^42038072519 is an apocalyptic number.

42038072519 is a deficient number, since it is larger than the sum of its proper divisors (654241).

42038072519 is an equidigital number, since it uses as much as digits as its factorization.

42038072519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654240.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 42038072519 in words is "forty-two billion, thirty-eight million, seventy-two thousand, five hundred nineteen".