709442059 has 2 divisors, whose sum is σ = 709442060. Its totient is φ = 709442058.

The previous prime is 709442057. The next prime is 709442077. The reversal of 709442059 is 950244907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 709442059 - 2¹ = 709442057 is a prime.

Together with 709442057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (709442057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354721029 + 354721030.

It is an arithmetic number, because the mean of its divisors is an integer number (354721030).

Almost surely, 2^709442059 is an apocalyptic number.

709442059 is a deficient number, since it is larger than the sum of its proper divisors (1).

709442059 is an equidigital number, since it uses as much as digits as its factorization.

709442059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 709442059 is about 26635.3535550028. The cubic root of 709442059 is about 891.8783956671.

The spelling of 709442059 in words is "seven hundred nine million, four hundred forty-two thousand, fifty-nine".