29431229885 has 16 divisors (see below), whose sum is σ = 35406305280. Its totient is φ = 23485845120.

The previous prime is 29431229869. The next prime is 29431229899. The reversal of 29431229885 is 58892213492.

It is not a de Polignac number, because 29431229885 - 2⁴ = 29431229869 is a prime.

It is a super-2 number, since 2×29431229885² (a number of 22 digits) contains 22 as substring.

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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3486620 + ... + 3495050.

It is an arithmetic number, because the mean of its divisors is an integer number (2212894080).

Almost surely, 2^29431229885 is an apocalyptic number.

It is an amenable number.

29431229885 is a deficient number, since it is larger than the sum of its proper divisors (5975075395).

29431229885 is an equidigital number, since it uses as much as digits as its factorization.

29431229885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108.

The product of its digits is 2488320, while the sum is 53.

The spelling of 29431229885 in words is "twenty-nine billion, four hundred thirty-one million, two hundred twenty-nine thousand, eight hundred eighty-five".