42286323729 has 32 divisors (see below), whose sum is σ = 63092850688. Its totient is φ = 25016040000.

The previous prime is 42286323727. The next prime is 42286323749. The reversal of 42286323729 is 92732368224.

It is a happy number.

It is not a de Polignac number, because 42286323729 - 2¹ = 42286323727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42286323727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66744 + ... + 298374.

It is an arithmetic number, because the mean of its divisors is an integer number (1971651584).

Almost surely, 2^42286323729 is an apocalyptic number.

It is an amenable number.

42286323729 is a deficient number, since it is larger than the sum of its proper divisors (20806526959).

42286323729 is a wasteful number, since it uses less digits than its factorization.

42286323729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231829.

The product of its digits is 1741824, while the sum is 48.

The spelling of 42286323729 in words is "forty-two billion, two hundred eighty-six million, three hundred twenty-three thousand, seven hundred twenty-nine".