9620564355513 has 12 divisors (see below), whose sum is σ = 13896461659860. Its totient is φ = 6413667605376.

The previous prime is 9620564355473. The next prime is 9620564355527. The reversal of 9620564355513 is 3155534650269.

9620564355513 is a `hidden beast` number, since 9 + 6 + 2 + 0 + 56 + 4 + 35 + 551 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2149897860009 + 7470666495504 = 1466253^2 + 2733252^2 .

It is not a de Polignac number, because 9620564355513 - 2⁹ = 9620564355001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9620564355513.

It is not an unprimeable number, because it can be changed into a prime (9620564355533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2011956 + ... + 4825877.

It is an arithmetic number, because the mean of its divisors is an integer number (1158038471655).

Almost surely, 2^{9620564355513} is an apocalyptic number.

It is an amenable number.

9620564355513 is a deficient number, since it is larger than the sum of its proper divisors (4275897304347).

9620564355513 is a wasteful number, since it uses less digits than its factorization.

9620564355513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994168 (or 6994165 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 54.

The spelling of 9620564355513 in words is "nine trillion, six hundred twenty billion, five hundred sixty-four million, three hundred fifty-five thousand, five hundred thirteen".