711969689 has 2 divisors, whose sum is σ = 711969690. Its totient is φ = 711969688.

The previous prime is 711969679. The next prime is 711969701. The reversal of 711969689 is 986969117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705168025 + 6801664 = 26555^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 711969689 - 2¹⁶ = 711904153 is a prime.

It is not a weakly prime, because it can be changed into another prime (711969649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355984844 + 355984845.

It is an arithmetic number, because the mean of its divisors is an integer number (355984845).

Almost surely, 2^711969689 is an apocalyptic number.

It is an amenable number.

711969689 is a deficient number, since it is larger than the sum of its proper divisors (1).

711969689 is an equidigital number, since it uses as much as digits as its factorization.

711969689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 56.

The square root of 711969689 is about 26682.7601458320. The cubic root of 711969689 is about 892.9363475056.

The spelling of 711969689 in words is "seven hundred eleven million, nine hundred sixty-nine thousand, six hundred eighty-nine".