7109873616385 has 4 divisors (see below), whose sum is σ = 8531848339668. Its totient is φ = 5687898893104.

The previous prime is 7109873616383. The next prime is 7109873616427. The reversal of 7109873616385 is 5836163789017.

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 4943934462016 + 2165939154369 = 2223496^2 + 1471713^2 .

It is a cyclic number.

It is not a de Polignac number, because 7109873616385 - 2¹ = 7109873616383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7109873616383) 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, 710987361634 + ... + 710987361643.

It is an arithmetic number, because the mean of its divisors is an integer number (2132962084917).

Almost surely, 2^{7109873616385} is an apocalyptic number.

It is an amenable number.

7109873616385 is a deficient number, since it is larger than the sum of its proper divisors (1421974723283).

7109873616385 is a wasteful number, since it uses less digits than its factorization.

7109873616385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421974723282.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 7109873616385 in words is "seven trillion, one hundred nine billion, eight hundred seventy-three million, six hundred sixteen thousand, three hundred eighty-five".