42684617038 has 8 divisors (see below), whose sum is σ = 73173629232. Its totient is φ = 18293407296.

The previous prime is 42684616987. The next prime is 42684617047. The reversal of 42684617038 is 83071648624.

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

It is a super-3 number, since 3×42684617038³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42684616982 and 42684617000.

It is a congruent number.

It is an unprimeable number.

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, 1524450595 + ... + 1524450622.

It is an arithmetic number, because the mean of its divisors is an integer number (9146703654).

Almost surely, 2^42684617038 is an apocalyptic number.

42684617038 is a deficient number, since it is larger than the sum of its proper divisors (30489012194).

42684617038 is a wasteful number, since it uses less digits than its factorization.

42684617038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048901226.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 42684617038 in words is "forty-two billion, six hundred eighty-four million, six hundred seventeen thousand, thirty-eight".