1073842709 has 2 divisors, whose sum is σ = 1073842710. Its totient is φ = 1073842708.

The previous prime is 1073842681. The next prime is 1073842717. The reversal of 1073842709 is 9072483701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813504484 + 260338225 = 28522^2 + 16135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073842709 - 2²⁰ = 1072794133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073842909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536921354 + 536921355.

It is an arithmetic number, because the mean of its divisors is an integer number (536921355).

Almost surely, 2^1073842709 is an apocalyptic number.

It is an amenable number.

1073842709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073842709 is an equidigital number, since it uses as much as digits as its factorization.

1073842709 is an evil number, because the sum of its binary digits is even.

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

The square root of 1073842709 is about 32769.5393467775. The cubic root of 1073842709 is about 1024.0320694734.

The spelling of 1073842709 in words is "one billion, seventy-three million, eight hundred forty-two thousand, seven hundred nine".