9208620851113 has 2 divisors, whose sum is σ = 9208620851114. Its totient is φ = 9208620851112.

The previous prime is 9208620851081. The next prime is 9208620851119. The reversal of 9208620851113 is 3111580268029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8987332460544 + 221288390569 = 2997888^2 + 470413^2 .

It is a cyclic number.

It is not a de Polignac number, because 9208620851113 - 2⁵ = 9208620851081 is a prime.

It is a super-2 number, since 2×9208620851113² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9208620851119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4604310425556 + 4604310425557.

It is an arithmetic number, because the mean of its divisors is an integer number (4604310425557).

Almost surely, 2^{9208620851113} is an apocalyptic number.

It is an amenable number.

9208620851113 is a deficient number, since it is larger than the sum of its proper divisors (1).

9208620851113 is an equidigital number, since it uses as much as digits as its factorization.

9208620851113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 9208620851113 in words is "nine trillion, two hundred eight billion, six hundred twenty million, eight hundred fifty-one thousand, one hundred thirteen".