29238969885 has 16 divisors (see below), whose sum is σ = 49534255296. Its totient is φ = 14676816128.

The previous prime is 29238969871. The next prime is 29238969901. The reversal of 29238969885 is 58896983292.

It is a cyclic number.

It is not a de Polignac number, because 29238969885 - 2⁶ = 29238969821 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57331059 + ... + 57331568.

It is an arithmetic number, because the mean of its divisors is an integer number (3095890956).

Almost surely, 2^29238969885 is an apocalyptic number.

It is an amenable number.

29238969885 is a deficient number, since it is larger than the sum of its proper divisors (20295285411).

29238969885 is a wasteful number, since it uses less digits than its factorization.

29238969885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114662652.

The product of its digits is 134369280, while the sum is 69.

The spelling of 29238969885 in words is "twenty-nine billion, two hundred thirty-eight million, nine hundred sixty-nine thousand, eight hundred eighty-five".