29987339208999 has 16 divisors (see below), whose sum is σ = 41721755519232. Its totient is φ = 19122251189888.

The previous prime is 29987339208989. The next prime is 29987339209033. The reversal of 29987339208999 is 99980293378992.

It is a cyclic number.

It is not a de Polignac number, because 29987339208999 - 2¹² = 29987339204903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29987339208989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11807359 + ... + 14120495.

It is an arithmetic number, because the mean of its divisors is an integer number (2607609719952).

Almost surely, 2^{29987339208999} is an apocalyptic number.

29987339208999 is a deficient number, since it is larger than the sum of its proper divisors (11734416310233).

29987339208999 is a wasteful number, since it uses less digits than its factorization.

29987339208999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501046.

The product of its (nonzero) digits is 8571080448, while the sum is 87.

The spelling of 29987339208999 in words is "twenty-nine trillion, nine hundred eighty-seven billion, three hundred thirty-nine million, two hundred eight thousand, nine hundred ninety-nine".