29989884902 has 32 divisors (see below), whose sum is σ = 46854635520. Its totient is φ = 14380662240.

The previous prime is 29989884857. The next prime is 29989884917. The reversal of 29989884902 is 20948898992.

It is a super-3 number, since 3×29989884902³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9738599 + ... + 9741677.

It is an arithmetic number, because the mean of its divisors is an integer number (1464207360).

Almost surely, 2^29989884902 is an apocalyptic number.

29989884902 is a deficient number, since it is larger than the sum of its proper divisors (16864750618).

29989884902 is a wasteful number, since it uses less digits than its factorization.

29989884902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 53747712, while the sum is 68.

The spelling of 29989884902 in words is "twenty-nine billion, nine hundred eighty-nine million, eight hundred eighty-four thousand, nine hundred two".