709843412653 has 4 divisors (see below), whose sum is σ = 734320771740. Its totient is φ = 685366053568.

The previous prime is 709843412639. The next prime is 709843412669. The reversal of 709843412653 is 356214348907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356214348907 = 449 ⋅793350443.

It can be written as a sum of positive squares in 2 ways, for example, as 142417173924 + 567426238729 = 377382^2 + 753277^2 .

It is not a de Polignac number, because 709843412653 - 2³⁷ = 572404459181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 709843412653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709843412623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12238679500 + ... + 12238679557.

It is an arithmetic number, because the mean of its divisors is an integer number (183580192935).

It is a 1-persistent number, because it is pandigital, but 2⋅709843412653 = 1419686825306 is not.

Almost surely, 2^709843412653 is an apocalyptic number.

It is an amenable number.

709843412653 is a deficient number, since it is larger than the sum of its proper divisors (24477359087).

709843412653 is a wasteful number, since it uses less digits than its factorization.

709843412653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24477359086.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 709843412653 in words is "seven hundred nine billion, eight hundred forty-three million, four hundred twelve thousand, six hundred fifty-three".