29751864668 has 12 divisors (see below), whose sum is σ = 52215811032. Its totient is φ = 14833061520.

The previous prime is 29751864629. The next prime is 29751864671. The reversal of 29751864668 is 86646815792.

It is a self number, because there is not a number n which added to its sum of digits gives 29751864668.

It is a congruent number.

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, 10716143 + ... + 10718918.

It is an arithmetic number, because the mean of its divisors is an integer number (4351317586).

Almost surely, 2^29751864668 is an apocalyptic number.

It is an amenable number.

29751864668 is a deficient number, since it is larger than the sum of its proper divisors (22463946364).

29751864668 is a wasteful number, since it uses less digits than its factorization.

29751864668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435412 (or 21435410 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 29751864668 in words is "twenty-nine billion, seven hundred fifty-one million, eight hundred sixty-four thousand, six hundred sixty-eight".