42419816979 has 8 divisors (see below), whose sum is σ = 56561270160. Its totient is φ = 28279120896.

The previous prime is 42419816977. The next prime is 42419817047. The reversal of 42419816979 is 97961891424.

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

It is not a de Polignac number, because 42419816979 - 2¹ = 42419816977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42419816977) 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, 42214 + ... + 294315.

It is an arithmetic number, because the mean of its divisors is an integer number (7070158770).

Almost surely, 2^42419816979 is an apocalyptic number.

42419816979 is a deficient number, since it is larger than the sum of its proper divisors (14141453181).

42419816979 is a wasteful number, since it uses less digits than its factorization.

42419816979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378549.

The product of its digits is 7838208, while the sum is 60.

The spelling of 42419816979 in words is "forty-two billion, four hundred nineteen million, eight hundred sixteen thousand, nine hundred seventy-nine".