29234785789 has 16 divisors (see below), whose sum is σ = 33522076800. Its totient is φ = 25235964160.

The previous prime is 29234785787. The next prime is 29234785813. The reversal of 29234785789 is 98758743292.

It is a happy number.

It is not a de Polignac number, because 29234785789 - 2¹ = 29234785787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29234785789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29234785787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387064 + ... + 456385.

It is an arithmetic number, because the mean of its divisors is an integer number (2095129800).

Almost surely, 2^29234785789 is an apocalyptic number.

It is an amenable number.

29234785789 is a deficient number, since it is larger than the sum of its proper divisors (4287291011).

29234785789 is a wasteful number, since it uses less digits than its factorization.

29234785789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843620.

The product of its digits is 60963840, while the sum is 64.

The spelling of 29234785789 in words is "twenty-nine billion, two hundred thirty-four million, seven hundred eighty-five thousand, seven hundred eighty-nine".