709888513 has 2 divisors, whose sum is σ = 709888514. Its totient is φ = 709888512.

The previous prime is 709888493. The next prime is 709888541. The reversal of 709888513 is 315888907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675584064 + 34304449 = 25992^2 + 5857^2 .

It is an emirp because it is prime and its reverse (315888907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 709888513 - 2⁵ = 709888481 is a prime.

It is not a weakly prime, because it can be changed into another prime (709888913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354944256 + 354944257.

It is an arithmetic number, because the mean of its divisors is an integer number (354944257).

Almost surely, 2^709888513 is an apocalyptic number.

It is an amenable number.

709888513 is a deficient number, since it is larger than the sum of its proper divisors (1).

709888513 is an equidigital number, since it uses as much as digits as its factorization.

709888513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 709888513 is about 26643.7330905412. The cubic root of 709888513 is about 892.0654436792.

The spelling of 709888513 in words is "seven hundred nine million, eight hundred eighty-eight thousand, five hundred thirteen".