128919983210 has 8 divisors (see below), whose sum is σ = 232055969796. Its totient is φ = 51567993280.

The previous prime is 128919983209. The next prime is 128919983237. The reversal of 128919983210 is 12389919821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116870310769 + 12049672441 = 341863^2 + 109771^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6445999151 + ... + 6445999170.

Almost surely, 2^128919983210 is an apocalyptic number.

128919983210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128919983210 is a deficient number, since it is larger than the sum of its proper divisors (103135986586).

128919983210 is a wasteful number, since it uses less digits than its factorization.

128919983210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891998328.

The product of its (nonzero) digits is 559872, while the sum is 53.

The spelling of 128919983210 in words is "one hundred twenty-eight billion, nine hundred nineteen million, nine hundred eighty-three thousand, two hundred ten".