29042532868 has 18 divisors (see below), whose sum is σ = 51525824154. Its totient is φ = 14320908864.

The previous prime is 29042532833. The next prime is 29042532881. The reversal of 29042532868 is 86823524092.

It can be written as a sum of positive squares in 3 ways, for example, as 238144 + 29042294724 = 488^2 + 170418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2907130 + ... + 2917102.

Almost surely, 2^29042532868 is an apocalyptic number.

It is an amenable number.

29042532868 is a deficient number, since it is larger than the sum of its proper divisors (22483291286).

29042532868 is an frugal number, since it uses more digits than its factorization.

29042532868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023 (or 10048 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 29042532868 in words is "twenty-nine billion, forty-two million, five hundred thirty-two thousand, eight hundred sixty-eight".