711971069 has 2 divisors, whose sum is σ = 711971070. Its totient is φ = 711971068.

The previous prime is 711971023. The next prime is 711971129. The reversal of 711971069 is 960179117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663835225 + 48135844 = 25765^2 + 6938^2 .

It is a cyclic number.

It is not a de Polignac number, because 711971069 - 2⁸ = 711970813 is a prime.

It is a super-2 number, since 2×711971069² = 1013805606186005522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (711971269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355985534 + 355985535.

It is an arithmetic number, because the mean of its divisors is an integer number (355985535).

Almost surely, 2^711971069 is an apocalyptic number.

It is an amenable number.

711971069 is a deficient number, since it is larger than the sum of its proper divisors (1).

711971069 is an equidigital number, since it uses as much as digits as its factorization.

711971069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 41.

The square root of 711971069 is about 26682.7860052132. The cubic root of 711971069 is about 892.9369244268.

The spelling of 711971069 in words is "seven hundred eleven million, nine hundred seventy-one thousand, sixty-nine".