42832381691 has 8 divisors (see below), whose sum is σ = 48337484400. Its totient is φ = 37595820640.

The previous prime is 42832381681. The next prime is 42832381759. The reversal of 42832381691 is 19618323824.

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 42832381691 - 2¹⁰ = 42832380667 is a prime.

It is a super-2 number, since 2×42832381691² (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 (42832381621) 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, 67135076 + ... + 67135713.

It is an arithmetic number, because the mean of its divisors is an integer number (6042185550).

Almost surely, 2^42832381691 is an apocalyptic number.

42832381691 is a deficient number, since it is larger than the sum of its proper divisors (5505102709).

42832381691 is a wasteful number, since it uses less digits than its factorization.

42832381691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134270829.

The product of its digits is 497664, while the sum is 47.

The spelling of 42832381691 in words is "forty-two billion, eight hundred thirty-two million, three hundred eighty-one thousand, six hundred ninety-one".