42811268029 has 4 divisors (see below), whose sum is σ = 43855445340. Its totient is φ = 41767090720.

The previous prime is 42811268023. The next prime is 42811268039. The reversal of 42811268029 is 92086211824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23739105625 + 19072162404 = 154075^2 + 138102^2 .

It is a cyclic number.

It is not a de Polignac number, because 42811268029 - 2⁵ = 42811267997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42811268023) 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, 522088594 + ... + 522088675.

It is an arithmetic number, because the mean of its divisors is an integer number (10963861335).

Almost surely, 2^42811268029 is an apocalyptic number.

It is an amenable number.

42811268029 is a deficient number, since it is larger than the sum of its proper divisors (1044177311).

42811268029 is a wasteful number, since it uses less digits than its factorization.

42811268029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044177310.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 42811268029 in words is "forty-two billion, eight hundred eleven million, two hundred sixty-eight thousand, twenty-nine".