29947306830 has 32 divisors (see below), whose sum is σ = 82141185024. Its totient is φ = 6845098656.

The previous prime is 29947306813. The next prime is 29947306853. The reversal of 29947306830 is 3860374992.

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, 71302902 + ... + 71303321.

It is an arithmetic number, because the mean of its divisors is an integer number (2566912032).

Almost surely, 2^29947306830 is an apocalyptic number.

29947306830 is an abundant number, since it is smaller than the sum of its proper divisors (52193878194).

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

29947306830 is a wasteful number, since it uses less digits than its factorization.

29947306830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142606240.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 29947306830 in words is "twenty-nine billion, nine hundred forty-seven million, three hundred six thousand, eight hundred thirty".