1090333609 has 2 divisors, whose sum is σ = 1090333610. Its totient is φ = 1090333608.

The previous prime is 1090333591. The next prime is 1090333613. The reversal of 1090333609 is 9063330901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897901225 + 192432384 = 29965^2 + 13872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090333609 - 2¹⁹ = 1089809321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090333669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545166804 + 545166805.

It is an arithmetic number, because the mean of its divisors is an integer number (545166805).

Almost surely, 2^1090333609 is an apocalyptic number.

It is an amenable number.

1090333609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090333609 is an equidigital number, since it uses as much as digits as its factorization.

1090333609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 1090333609 is about 33020.2000145366. The cubic root of 1090333609 is about 1029.2474501091.

The spelling of 1090333609 in words is "one billion, ninety million, three hundred thirty-three thousand, six hundred nine".