1149244689 has 8 divisors (see below), whose sum is σ = 1532937600. Its totient is φ = 765857456.

The previous prime is 1149244673. The next prime is 1149244729. The reversal of 1149244689 is 9864429411.

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 1149244689 - 2⁴ = 1149244673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1149244669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67497 + ... + 82790.

It is an arithmetic number, because the mean of its divisors is an integer number (191617200).

Almost surely, 2^1149244689 is an apocalyptic number.

It is an amenable number.

1149244689 is a deficient number, since it is larger than the sum of its proper divisors (383692911).

1149244689 is a wasteful number, since it uses less digits than its factorization.

1149244689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152839.

The product of its digits is 497664, while the sum is 48.

The square root of 1149244689 is about 33900.5116333072. The cubic root of 1149244689 is about 1047.4601315038.

The spelling of 1149244689 in words is "one billion, one hundred forty-nine million, two hundred forty-four thousand, six hundred eighty-nine".