989898989899082 has 4 divisors (see below), whose sum is σ = 1484848484848626. Its totient is φ = 494949494949540.

The previous prime is 989898989899081. The next prime is 989898989899103. The reversal of 989898989899082 is 280998989898989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 500544819833881 + 489354170065201 = 22372859^2 + 22121351^2 .

It is not an unprimeable number, because it can be changed into a prime (989898989899081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247474747474769 + ... + 247474747474772.

Almost surely, 2^{989898989899082} is an apocalyptic number.

989898989899082 is a deficient number, since it is larger than the sum of its proper divisors (494949494949544).

989898989899082 is a wasteful number, since it uses less digits than its factorization.

989898989899082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494949494949543.

The product of its (nonzero) digits is 2507653251072, while the sum is 113.

The spelling of 989898989899082 in words is "nine hundred eighty-nine trillion, eight hundred ninety-eight billion, nine hundred eighty-nine million, eight hundred ninety-nine thousand, eighty-two".