42617494819 has 8 divisors (see below), whose sum is σ = 43526664720. Its totient is φ = 41717746656.

The previous prime is 42617494789. The next prime is 42617494867. The reversal of 42617494819 is 91849471624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42617494819 - 2⁷ = 42617494691 is a prime.

It is a super-2 number, since 2×42617494819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42617494819.

It is not an unprimeable number, because it can be changed into a prime (42617494889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346292 + ... + 2364385.

It is an arithmetic number, because the mean of its divisors is an integer number (5440833090).

Almost surely, 2^42617494819 is an apocalyptic number.

42617494819 is a deficient number, since it is larger than the sum of its proper divisors (909169901).

42617494819 is a wasteful number, since it uses less digits than its factorization.

42617494819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710869.

The product of its digits is 3483648, while the sum is 55.

The spelling of 42617494819 in words is "forty-two billion, six hundred seventeen million, four hundred ninety-four thousand, eight hundred nineteen".