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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9477600901 = 47 ⋅201651083.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
Almost surely, 21090067749 is an apocalyptic number.
It is an amenable number.
1090067749 is an equidigital number, since it uses as much as digits as its factorization.
1090067749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93914.
The square root of 1090067749 is about 33016.1740515160. The cubic root of 1090067749 is about 1029.1637882622.
The spelling of 1090067749 in words is "one billion, ninety million, sixty-seven thousand, seven hundred forty-nine".