29910447118 has 4 divisors (see below), whose sum is σ = 44865670680. Its totient is φ = 14955223558.

The previous prime is 29910447107. The next prime is 29910447167. The reversal of 29910447118 is 81174401992.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7477611778 + ... + 7477611781.

It is an arithmetic number, because the mean of its divisors is an integer number (11216417670).

Almost surely, 2^29910447118 is an apocalyptic number.

29910447118 is a deficient number, since it is larger than the sum of its proper divisors (14955223562).

29910447118 is a wasteful number, since it uses less digits than its factorization.

29910447118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955223561.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 29910447118 in words is "twenty-nine billion, nine hundred ten million, four hundred forty-seven thousand, one hundred eighteen".