1099873242898 has 4 divisors (see below), whose sum is σ = 1649809864350. Its totient is φ = 549936621448.

The previous prime is 1099873242883. The next prime is 1099873242929. The reversal of 1099873242898 is 8982423789901.

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., 731019870009 + 368853372889 = 854997^2 + 607333^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274968310723 + ... + 274968310726.

Almost surely, 2^{1099873242898} is an apocalyptic number.

1099873242898 is a deficient number, since it is larger than the sum of its proper divisors (549936621452).

1099873242898 is an equidigital number, since it uses as much as digits as its factorization.

1099873242898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549936621451.

The product of its (nonzero) digits is 125411328, while the sum is 70.

The spelling of 1099873242898 in words is "one trillion, ninety-nine billion, eight hundred seventy-three million, two hundred forty-two thousand, eight hundred ninety-eight".