10206620563613 has 2 divisors, whose sum is σ = 10206620563614. Its totient is φ = 10206620563612.

The previous prime is 10206620563609. The next prime is 10206620563637. The reversal of 10206620563613 is 31636502660201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6340414648324 + 3866205915289 = 2518018^2 + 1966267^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206620563613 - 2² = 10206620563609 is a prime.

It is a super-2 number, since 2×10206620563613² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10206620563813) 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 as a sum of consecutive naturals, namely, 5103310281806 + 5103310281807.

It is an arithmetic number, because the mean of its divisors is an integer number (5103310281807).

Almost surely, 2^{10206620563613} is an apocalyptic number.

It is an amenable number.

10206620563613 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206620563613 is an equidigital number, since it uses as much as digits as its factorization.

10206620563613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 10206620563613 in words is "ten trillion, two hundred six billion, six hundred twenty million, five hundred sixty-three thousand, six hundred thirteen".