7708566745213 has 4 divisors (see below), whose sum is σ = 7764833655900. Its totient is φ = 7652299834528.

The previous prime is 7708566745193. The next prime is 7708566745219. The reversal of 7708566745213 is 3125476658077.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5426164924569 + 2282401820644 = 2329413^2 + 1510762^2 .

It is a cyclic number.

It is not a de Polignac number, because 7708566745213 - 2¹³ = 7708566737021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7708566745219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28133455138 + ... + 28133455411.

It is an arithmetic number, because the mean of its divisors is an integer number (1941208413975).

Almost surely, 2^{7708566745213} is an apocalyptic number.

It is an amenable number.

7708566745213 is a deficient number, since it is larger than the sum of its proper divisors (56266910687).

7708566745213 is a wasteful number, since it uses less digits than its factorization.

7708566745213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56266910686.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 7708566745213 in words is "seven trillion, seven hundred eight billion, five hundred sixty-six million, seven hundred forty-five thousand, two hundred thirteen".