29238873669 has 12 divisors (see below), whose sum is σ = 43798148576. Its totient is φ = 19492582284.

The previous prime is 29238873637. The next prime is 29238873683. The reversal of 29238873669 is 96637883292.

It is not a de Polignac number, because 29238873669 - 2⁵ = 29238873637 is a prime.

It is a super-2 number, since 2×29238873669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29238873689) 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 11 ways as a sum of consecutive naturals, for example, 60162049 + ... + 60162534.

Almost surely, 2^29238873669 is an apocalyptic number.

It is an amenable number.

29238873669 is a deficient number, since it is larger than the sum of its proper divisors (14559274907).

29238873669 is an equidigital number, since it uses as much as digits as its factorization.

29238873669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120324598 (or 120324586 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 29238873669 in words is "twenty-nine billion, two hundred thirty-eight million, eight hundred seventy-three thousand, six hundred sixty-nine".