1189334566749 has 8 divisors (see below), whose sum is σ = 1812319339840. Its totient is φ = 679619752416.

The previous prime is 1189334566741. The next prime is 1189334566753. The reversal of 1189334566749 is 9476654339811.

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

It is not a de Polignac number, because 1189334566749 - 2³ = 1189334566741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1189334566749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189334566741) by changing a digit.

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, 28317489664 + ... + 28317489705.

It is an arithmetic number, because the mean of its divisors is an integer number (226539917480).

Almost surely, 2^{1189334566749} is an apocalyptic number.

It is an amenable number.

1189334566749 is a deficient number, since it is larger than the sum of its proper divisors (622984773091).

1189334566749 is an equidigital number, since it uses as much as digits as its factorization.

1189334566749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56634979379.

The product of its digits is 117573120, while the sum is 66.

The spelling of 1189334566749 in words is "one trillion, one hundred eighty-nine billion, three hundred thirty-four million, five hundred sixty-six thousand, seven hundred forty-nine".