29989961266 has 16 divisors (see below), whose sum is σ = 47372355360. Its totient is φ = 14199835680.

The previous prime is 29989961233. The next prime is 29989961279. The reversal of 29989961266 is 66216998992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72051 + ... + 255286.

It is an arithmetic number, because the mean of its divisors is an integer number (2960772210).

Almost surely, 2^29989961266 is an apocalyptic number.

29989961266 is a deficient number, since it is larger than the sum of its proper divisors (17382394094).

29989961266 is a wasteful number, since it uses less digits than its factorization.

29989961266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329769.

The product of its digits is 45349632, while the sum is 67.

The spelling of 29989961266 in words is "twenty-nine billion, nine hundred eighty-nine million, nine hundred sixty-one thousand, two hundred sixty-six".