7713513308161 has 8 divisors (see below), whose sum is σ = 7925319497960. Its totient is φ = 7501882531968.

The previous prime is 7713513308131. The next prime is 7713513308177. The reversal of 7713513308161 is 1618033153177.

It can be written as a sum of positive squares in 4 ways, for example, as 1943640281025 + 5769873027136 = 1394145^2 + 2402056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7713513308161 - 2⁵ = 7713513308129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7713513308131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43764246 + ... + 43940143.

It is an arithmetic number, because the mean of its divisors is an integer number (990664937245).

Almost surely, 2^{7713513308161} is an apocalyptic number.

It is an amenable number.

7713513308161 is a deficient number, since it is larger than the sum of its proper divisors (211806189799).

7713513308161 is a wasteful number, since it uses less digits than its factorization.

7713513308161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87706803.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 7713513308161 in words is "seven trillion, seven hundred thirteen billion, five hundred thirteen million, three hundred eight thousand, one hundred sixty-one".