29988834253 has 8 divisors (see below), whose sum is σ = 34593262272. Its totient is φ = 25464483456.

The previous prime is 29988834223. The next prime is 29988834259. The reversal of 29988834253 is 35243888992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29988834253 - 2²⁹ = 29451963341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29988834191 and 29988834200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29988834259) 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 7 ways as a sum of consecutive naturals, for example, 20018500 + ... + 20019997.

It is an arithmetic number, because the mean of its divisors is an integer number (4324157784).

Almost surely, 2^29988834253 is an apocalyptic number.

It is an amenable number.

29988834253 is a deficient number, since it is larger than the sum of its proper divisors (4604428019).

29988834253 is a wasteful number, since it uses less digits than its factorization.

29988834253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40038611.

The product of its digits is 29859840, while the sum is 61.

The spelling of 29988834253 in words is "twenty-nine billion, nine hundred eighty-eight million, eight hundred thirty-four thousand, two hundred fifty-three".