29991373284 has 12 divisors (see below), whose sum is σ = 69979871024. Its totient is φ = 9997124424.

The previous prime is 29991373267. The next prime is 29991373303. The reversal of 29991373284 is 48237319992.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1249640542 + ... + 1249640565.

Almost surely, 2^29991373284 is an apocalyptic number.

It is an amenable number.

29991373284 is an abundant number, since it is smaller than the sum of its proper divisors (39988497740).

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

29991373284 is a wasteful number, since it uses less digits than its factorization.

29991373284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499281114 (or 2499281112 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The spelling of 29991373284 in words is "twenty-nine billion, nine hundred ninety-one million, three hundred seventy-three thousand, two hundred eighty-four".