29988660194 has 8 divisors (see below), whose sum is σ = 44991419088. Its totient is φ = 14991520500.

The previous prime is 29988660139. The next prime is 29988660209. The reversal of 29988660194 is 49106688992.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391432 + ... + 1412819.

It is an arithmetic number, because the mean of its divisors is an integer number (5623927386).

Almost surely, 2^29988660194 is an apocalyptic number.

29988660194 is a deficient number, since it is larger than the sum of its proper divisors (15002758894).

29988660194 is a wasteful number, since it uses less digits than its factorization.

29988660194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809600.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 29988660194 in words is "twenty-nine billion, nine hundred eighty-eight million, six hundred sixty thousand, one hundred ninety-four".