29993291663806 has 4 divisors (see below), whose sum is σ = 44989937495712. Its totient is φ = 14996645831902.

The previous prime is 29993291663759. The next prime is 29993291663837. The reversal of 29993291663806 is 60836619239992.

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 (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7498322915950 + ... + 7498322915953.

It is an arithmetic number, because the mean of its divisors is an integer number (11247484373928).

Almost surely, 2^{29993291663806} is an apocalyptic number.

29993291663806 is a deficient number, since it is larger than the sum of its proper divisors (14996645831906).

29993291663806 is a wasteful number, since it uses less digits than its factorization.

29993291663806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996645831905.

The product of its (nonzero) digits is 408146688, while the sum is 73.

The spelling of 29993291663806 in words is "twenty-nine trillion, nine hundred ninety-three billion, two hundred ninety-one million, six hundred sixty-three thousand, eight hundred six".