105628659613 has 4 divisors (see below), whose sum is σ = 106674488028. Its totient is φ = 104582831200.

The previous prime is 105628659589. The next prime is 105628659649. The reversal of 105628659613 is 316956826501.

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 46471718329 + 59156941284 = 215573^2 + 243222^2 .

It is a cyclic number.

It is not a de Polignac number, because 105628659613 - 2¹³ = 105628651421 is a prime.

It is a super-2 number, since 2×105628659613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105628654613) 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, 522914056 + ... + 522914257.

It is an arithmetic number, because the mean of its divisors is an integer number (26668622007).

Almost surely, 2^105628659613 is an apocalyptic number.

It is an amenable number.

105628659613 is a deficient number, since it is larger than the sum of its proper divisors (1045828415).

105628659613 is a wasteful number, since it uses less digits than its factorization.

105628659613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045828414.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 105628659613 in words is "one hundred five billion, six hundred twenty-eight million, six hundred fifty-nine thousand, six hundred thirteen".