29385821100 has 36 divisors (see below), whose sum is σ = 85022976584. Its totient is φ = 7836218880.

The previous prime is 29385821099. The next prime is 29385821107. The reversal of 29385821100 is 112858392.

It is not an unprimeable number, because it can be changed into a prime (29385821107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48976069 + ... + 48976668.

Almost surely, 2^29385821100 is an apocalyptic number.

29385821100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29385821100 is an abundant number, since it is smaller than the sum of its proper divisors (55637155484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29385821100 is a wasteful number, since it uses less digits than its factorization.

29385821100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97952754 (or 97952747 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 29385821100 in words is "twenty-nine billion, three hundred eighty-five million, eight hundred twenty-one thousand, one hundred".