709141273 has 2 divisors, whose sum is σ = 709141274. Its totient is φ = 709141272.

The previous prime is 709141271. The next prime is 709141309. The reversal of 709141273 is 372141907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 635644944 + 73496329 = 25212^2 + 8573^2 .

It is a cyclic number.

It is not a de Polignac number, because 709141273 - 2¹ = 709141271 is a prime.

Together with 709141271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (709141271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354570636 + 354570637.

It is an arithmetic number, because the mean of its divisors is an integer number (354570637).

Almost surely, 2^709141273 is an apocalyptic number.

It is an amenable number.

709141273 is a deficient number, since it is larger than the sum of its proper divisors (1).

709141273 is an equidigital number, since it uses as much as digits as its factorization.

709141273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 709141273 is about 26629.7065886953. The cubic root of 709141273 is about 891.7523330083.

The spelling of 709141273 in words is "seven hundred nine million, one hundred forty-one thousand, two hundred seventy-three".