29120870769 has 8 divisors (see below), whose sum is σ = 38832113760. Its totient is φ = 19411770816.

The previous prime is 29120870759. The next prime is 29120870777. The reversal of 29120870769 is 96707802192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29120870769 - 2¹⁹ = 29120346481 is a prime.

It is a super-2 number, since 2×29120870769² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (29120870729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503779 + ... + 558600.

It is an arithmetic number, because the mean of its divisors is an integer number (4854014220).

Almost surely, 2^29120870769 is an apocalyptic number.

It is an amenable number.

29120870769 is a deficient number, since it is larger than the sum of its proper divisors (9711242991).

29120870769 is a wasteful number, since it uses less digits than its factorization.

29120870769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071519.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 29120870769 in words is "twenty-nine billion, one hundred twenty million, eight hundred seventy thousand, seven hundred sixty-nine".