29998389185270 has 32 divisors (see below), whose sum is σ = 58906161480096. Its totient is φ = 10908461894400.

The previous prime is 29998389185251. The next prime is 29998389185291. The reversal of 29998389185270 is 7258198389992.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 43688042 + ... + 44369378.

It is an arithmetic number, because the mean of its divisors is an integer number (1840817546253).

Almost surely, 2^{29998389185270} is an apocalyptic number.

29998389185270 is a deficient number, since it is larger than the sum of its proper divisors (28907772294826).

29998389185270 is a wasteful number, since it uses less digits than its factorization.

29998389185270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081616.

The product of its (nonzero) digits is 1410877440, while the sum is 80.

The spelling of 29998389185270 in words is "twenty-nine trillion, nine hundred ninety-eight billion, three hundred eighty-nine million, one hundred eighty-five thousand, two hundred seventy".