1073848989 has 4 divisors (see below), whose sum is σ = 1431798656. Its totient is φ = 715899324.

The previous prime is 1073848987. The next prime is 1073849017. The reversal of 1073848989 is 9898483701.

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 1073848989 - 2¹ = 1073848987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073848981) 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, 178974829 + ... + 178974834.

It is an arithmetic number, because the mean of its divisors is an integer number (357949664).

Almost surely, 2^1073848989 is an apocalyptic number.

It is an amenable number.

1073848989 is a deficient number, since it is larger than the sum of its proper divisors (357949667).

1073848989 is an equidigital number, since it uses as much as digits as its factorization.

1073848989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357949666.

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

The square root of 1073848989 is about 32769.6351673314. The cubic root of 1073848989 is about 1024.0340657028.

The spelling of 1073848989 in words is "one billion, seventy-three million, eight hundred forty-eight thousand, nine hundred eighty-nine".