1146749689 has 8 divisors (see below), whose sum is σ = 1165087520. Its totient is φ = 1128447936.

The previous prime is 1146749647. The next prime is 1146749707. The reversal of 1146749689 is 9869476411.

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 1146749689 - 2⁷ = 1146749561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146749089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59122 + ... + 76084.

It is an arithmetic number, because the mean of its divisors is an integer number (145635940).

Almost surely, 2^1146749689 is an apocalyptic number.

It is an amenable number.

1146749689 is a deficient number, since it is larger than the sum of its proper divisors (18337831).

1146749689 is a wasteful number, since it uses less digits than its factorization.

1146749689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039.

The product of its digits is 2612736, while the sum is 55.

The square root of 1146749689 is about 33863.6927844557. The cubic root of 1146749689 is about 1046.7015734208.

The spelling of 1146749689 in words is "one billion, one hundred forty-six million, seven hundred forty-nine thousand, six hundred eighty-nine".