29646668986 has 8 divisors (see below), whose sum is σ = 48512731104. Its totient is φ = 13475758620.

The previous prime is 29646668963. The next prime is 29646668993. The reversal of 29646668986 is 68986664692.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673787910 + ... + 673787953.

It is an arithmetic number, because the mean of its divisors is an integer number (6064091388).

Almost surely, 2^29646668986 is an apocalyptic number.

29646668986 is a deficient number, since it is larger than the sum of its proper divisors (18866062118).

29646668986 is a wasteful number, since it uses less digits than its factorization.

29646668986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347575876.

The product of its digits is 322486272, while the sum is 70.

The spelling of 29646668986 in words is "twenty-nine billion, six hundred forty-six million, six hundred sixty-eight thousand, nine hundred eighty-six".