1148967489 has 4 divisors (see below), whose sum is σ = 1531956656. Its totient is φ = 765978324.

The previous prime is 1148967473. The next prime is 1148967497. The reversal of 1148967489 is 9847698411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1148967489 - 2⁴ = 1148967473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148967409) 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, 191494579 + ... + 191494584.

It is an arithmetic number, because the mean of its divisors is an integer number (382989164).

Almost surely, 2^1148967489 is an apocalyptic number.

It is an amenable number.

1148967489 is a deficient number, since it is larger than the sum of its proper divisors (382989167).

1148967489 is an equidigital number, since it uses as much as digits as its factorization.

1148967489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382989166.

The product of its digits is 3483648, while the sum is 57.

The square root of 1148967489 is about 33896.4229528722. The cubic root of 1148967489 is about 1047.3759082746.

The spelling of 1148967489 in words is "one billion, one hundred forty-eight million, nine hundred sixty-seven thousand, four hundred eighty-nine".