1194343489 has 4 divisors (see below), whose sum is σ = 1223473860. Its totient is φ = 1165213120.

The previous prime is 1194343487. The next prime is 1194343529. The reversal of 1194343489 is 9843434911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 153958464 + 1040385025 = 12408^2 + 32255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194343489 - 2¹ = 1194343487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194343487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14565124 + ... + 14565205.

It is an arithmetic number, because the mean of its divisors is an integer number (305868465).

Almost surely, 2^1194343489 is an apocalyptic number.

It is an amenable number.

1194343489 is a deficient number, since it is larger than the sum of its proper divisors (29130371).

1194343489 is an equidigital number, since it uses as much as digits as its factorization.

1194343489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29130370.

The product of its digits is 373248, while the sum is 46.

The square root of 1194343489 is about 34559.2750068632. The cubic root of 1194343489 is about 1060.9862332368.

The spelling of 1194343489 in words is "one billion, one hundred ninety-four million, three hundred forty-three thousand, four hundred eighty-nine".