1827340709 has 2 divisors, whose sum is σ = 1827340710. Its totient is φ = 1827340708.

The previous prime is 1827340687. The next prime is 1827340717. The reversal of 1827340709 is 9070437281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321540609 + 505800100 = 36353^2 + 22490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1827340709 - 2¹⁶ = 1827275173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1827340759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913670354 + 913670355.

It is an arithmetic number, because the mean of its divisors is an integer number (913670355).

Almost surely, 2^1827340709 is an apocalyptic number.

It is an amenable number.

1827340709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1827340709 is an equidigital number, since it uses as much as digits as its factorization.

1827340709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1827340709 is about 42747.4058745089. The cubic root of 1827340709 is about 1222.5684286648.

The spelling of 1827340709 in words is "one billion, eight hundred twenty-seven million, three hundred forty thousand, seven hundred nine".