42687381833 has 16 divisors (see below), whose sum is σ = 45352519680. Its totient is φ = 40064419584.

The previous prime is 42687381817. The next prime is 42687381853. The reversal of 42687381833 is 33818378624.

It is a cyclic number.

It is not a de Polignac number, because 42687381833 - 2⁴ = 42687381817 is a prime.

It is a super-3 number, since 3×42687381833³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42687381853) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7754360 + ... + 7759862.

It is an arithmetic number, because the mean of its divisors is an integer number (2834532480).

Almost surely, 2^42687381833 is an apocalyptic number.

It is an amenable number.

42687381833 is a deficient number, since it is larger than the sum of its proper divisors (2665137847).

42687381833 is a wasteful number, since it uses less digits than its factorization.

42687381833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248.

The product of its digits is 4644864, while the sum is 53.

The spelling of 42687381833 in words is "forty-two billion, six hundred eighty-seven million, three hundred eighty-one thousand, eight hundred thirty-three".