29988449070 has 32 divisors (see below), whose sum is σ = 72281188512. Its totient is φ = 7962596352.

The previous prime is 29988449047. The next prime is 29988449077. The reversal of 29988449070 is 7094488992.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29988448995 and 29988449013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29988449077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2138107 + ... + 2152086.

It is an arithmetic number, because the mean of its divisors is an integer number (2258787141).

Almost surely, 2^29988449070 is an apocalyptic number.

29988449070 is an abundant number, since it is smaller than the sum of its proper divisors (42292739442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29988449070 is a wasteful number, since it uses less digits than its factorization.

29988449070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290436.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 29988449070 in words is "twenty-nine billion, nine hundred eighty-eight million, four hundred forty-nine thousand, seventy".