29864893312 has 32 divisors (see below), whose sum is σ = 60947611200. Its totient is φ = 14568238080.

The previous prime is 29864893297. The next prime is 29864893321. The reversal of 29864893312 is 21339846892.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840112 + ... + 2850607.

It is an arithmetic number, because the mean of its divisors is an integer number (1904612850).

Almost surely, 2^29864893312 is an apocalyptic number.

It is an amenable number.

29864893312 is an abundant number, since it is smaller than the sum of its proper divisors (31082717888).

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

29864893312 is an equidigital number, since it uses as much as digits as its factorization.

29864893312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690774 (or 5690762 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The spelling of 29864893312 in words is "twenty-nine billion, eight hundred sixty-four million, eight hundred ninety-three thousand, three hundred twelve".