10681818247 has 2 divisors, whose sum is σ = 10681818248. Its totient is φ = 10681818246.

The previous prime is 10681818187. The next prime is 10681818281. The reversal of 10681818247 is 74281818601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10681818247 - 2¹¹ = 10681816199 is a prime.

It is a super-2 number, since 2×10681818247² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10681818197 and 10681818206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10681818347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340909123 + 5340909124.

It is an arithmetic number, because the mean of its divisors is an integer number (5340909124).

Almost surely, 2^10681818247 is an apocalyptic number.

10681818247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10681818247 is an equidigital number, since it uses as much as digits as its factorization.

10681818247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 46.

The spelling of 10681818247 in words is "ten billion, six hundred eighty-one million, eight hundred eighteen thousand, two hundred forty-seven".