29629629928 has 16 divisors (see below), whose sum is σ = 55584994500. Its totient is φ = 14806964736.

The previous prime is 29629629899. The next prime is 29629629929. The reversal of 29629629928 is 82992692692.

It can be written as a sum of positive squares in 2 ways, for example, as 28974167524 + 655462404 = 170218^2 + 25602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29629629928.

It is not an unprimeable number, because it can be changed into a prime (29629629929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965223 + ... + 995446.

Almost surely, 2^29629629928 is an apocalyptic number.

It is an amenable number.

29629629928 is a deficient number, since it is larger than the sum of its proper divisors (25955364572).

29629629928 is a wasteful number, since it uses less digits than its factorization.

29629629928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962564 (or 1962560 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 64.

The spelling of 29629629928 in words is "twenty-nine billion, six hundred twenty-nine million, six hundred twenty-nine thousand, nine hundred twenty-eight".