1189993006198 has 4 divisors (see below), whose sum is σ = 1784989509300. Its totient is φ = 594996503098.

The previous prime is 1189993006187. The next prime is 1189993006199. The reversal of 1189993006198 is 8916003999811.

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

It is a super-3 number, since 3×1189993006198³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189993006199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297498251548 + ... + 297498251551.

It is an arithmetic number, because the mean of its divisors is an integer number (446247377325).

Almost surely, 2^{1189993006198} is an apocalyptic number.

1189993006198 is a deficient number, since it is larger than the sum of its proper divisors (594996503102).

1189993006198 is an equidigital number, since it uses as much as digits as its factorization.

1189993006198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594996503101.

The product of its (nonzero) digits is 7558272, while the sum is 64.

The spelling of 1189993006198 in words is "one trillion, one hundred eighty-nine billion, nine hundred ninety-three million, six thousand, one hundred ninety-eight".