42331728683 has 4 divisors (see below), whose sum is σ = 42334670448. Its totient is φ = 42328786920.

The previous prime is 42331728653. The next prime is 42331728721. The reversal of 42331728683 is 38682713324.

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

It is a cyclic number.

It is not a de Polignac number, because 42331728683 - 2¹² = 42331724587 is a prime.

It is a super-2 number, since 2×42331728683² (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 (42331728653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449191 + ... + 1478112.

It is an arithmetic number, because the mean of its divisors is an integer number (10583667612).

Almost surely, 2^42331728683 is an apocalyptic number.

42331728683 is a deficient number, since it is larger than the sum of its proper divisors (2941765).

42331728683 is a wasteful number, since it uses less digits than its factorization.

42331728683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941764.

The product of its digits is 1161216, while the sum is 47.

The spelling of 42331728683 in words is "forty-two billion, three hundred thirty-one million, seven hundred twenty-eight thousand, six hundred eighty-three".