1098138669835 has 8 divisors (see below), whose sum is σ = 1317772399680. Its totient is φ = 878506938624.

The previous prime is 1098138669809. The next prime is 1098138669869. The reversal of 1098138669835 is 5389668318901.

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 1098138669835 - 2¹⁹ = 1098138145547 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1295374 + ... + 1968316.

It is an arithmetic number, because the mean of its divisors is an integer number (164721549960).

Almost surely, 2^{1098138669835} is an apocalyptic number.

1098138669835 is a deficient number, since it is larger than the sum of its proper divisors (219633729845).

1098138669835 is an equidigital number, since it uses as much as digits as its factorization.

1098138669835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999317.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 1098138669835 in words is "one trillion, ninety-eight billion, one hundred thirty-eight million, six hundred sixty-nine thousand, eight hundred thirty-five".