29988337385 has 32 divisors (see below), whose sum is σ = 37978744320. Its totient is φ = 22702595328.

The previous prime is 29988337361. The next prime is 29988337403. The reversal of 29988337385 is 58373388992.

It is a cyclic number.

It is not a de Polignac number, because 29988337385 - 2⁶ = 29988337321 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1893359 + ... + 1909131.

It is an arithmetic number, because the mean of its divisors is an integer number (1186835760).

Almost surely, 2^29988337385 is an apocalyptic number.

It is an amenable number.

29988337385 is a deficient number, since it is larger than the sum of its proper divisors (7990406935).

29988337385 is a wasteful number, since it uses less digits than its factorization.

29988337385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097.

The product of its digits is 78382080, while the sum is 65.

The spelling of 29988337385 in words is "twenty-nine billion, nine hundred eighty-eight million, three hundred thirty-seven thousand, three hundred eighty-five".