9613658752513 has 2 divisors, whose sum is σ = 9613658752514. Its totient is φ = 9613658752512.

The previous prime is 9613658752483. The next prime is 9613658752517. The reversal of 9613658752513 is 3152578563169.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9124096854544 + 489561897969 = 3020612^2 + 699687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9613658752513 is a prime.

It is a super-2 number, since 2×9613658752513² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9613658752517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806829376256 + 4806829376257.

It is an arithmetic number, because the mean of its divisors is an integer number (4806829376257).

Almost surely, 2^{9613658752513} is an apocalyptic number.

It is an amenable number.

9613658752513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9613658752513 is an equidigital number, since it uses as much as digits as its factorization.

9613658752513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824000, while the sum is 61.

The spelling of 9613658752513 in words is "nine trillion, six hundred thirteen billion, six hundred fifty-eight million, seven hundred fifty-two thousand, five hundred thirteen".