708949393 has 2 divisors, whose sum is σ = 708949394. Its totient is φ = 708949392.

The previous prime is 708949391. The next prime is 708949427. The reversal of 708949393 is 393949807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681836544 + 27112849 = 26112^2 + 5207^2 .

It is an emirp because it is prime and its reverse (393949807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708949393 - 2¹ = 708949391 is a prime.

Together with 708949391, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 708949393.

It is not a weakly prime, because it can be changed into another prime (708949391) 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, 354474696 + 354474697.

It is an arithmetic number, because the mean of its divisors is an integer number (354474697).

Almost surely, 2^708949393 is an apocalyptic number.

It is an amenable number.

708949393 is a deficient number, since it is larger than the sum of its proper divisors (1).

708949393 is an equidigital number, since it uses as much as digits as its factorization.

708949393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 708949393 is about 26626.1036015411. The cubic root of 708949393 is about 891.6718954051.

The spelling of 708949393 in words is "seven hundred eight million, nine hundred forty-nine thousand, three hundred ninety-three".