1079489309 has 2 divisors, whose sum is σ = 1079489310. Its totient is φ = 1079489308.

The previous prime is 1079489269. The next prime is 1079489317. The reversal of 1079489309 is 9039849701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671328100 + 408161209 = 25910^2 + 20203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079489309 - 2⁸ = 1079489053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1079482309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539744654 + 539744655.

It is an arithmetic number, because the mean of its divisors is an integer number (539744655).

Almost surely, 2^1079489309 is an apocalyptic number.

It is an amenable number.

1079489309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079489309 is an equidigital number, since it uses as much as digits as its factorization.

1079489309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1079489309 is about 32855.5826154400. The cubic root of 1079489309 is about 1025.8238259676.

The spelling of 1079489309 in words is "one billion, seventy-nine million, four hundred eighty-nine thousand, three hundred nine".