10618684217 has 2 divisors, whose sum is σ = 10618684218. Its totient is φ = 10618684216.

The previous prime is 10618684207. The next prime is 10618684247. The reversal of 10618684217 is 71248681601.

10618684217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10368126976 + 250557241 = 101824^2 + 15829^2 .

It is a cyclic number.

It is not a de Polignac number, because 10618684217 - 2⁴ = 10618684201 is a prime.

It is a super-2 number, since 2×10618684217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10618684207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5309342108 + 5309342109.

It is an arithmetic number, because the mean of its divisors is an integer number (5309342109).

Almost surely, 2^10618684217 is an apocalyptic number.

It is an amenable number.

10618684217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10618684217 is an equidigital number, since it uses as much as digits as its factorization.

10618684217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 10618684217 in words is "ten billion, six hundred eighteen million, six hundred eighty-four thousand, two hundred seventeen".