8682521069 has 2 divisors, whose sum is σ = 8682521070. Its totient is φ = 8682521068.

The previous prime is 8682521039. The next prime is 8682521083. The reversal of 8682521069 is 9601252868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4867852900 + 3814668169 = 69770^2 + 61763^2 .

It is a cyclic number.

It is not a de Polignac number, because 8682521069 - 2⁸ = 8682520813 is a prime.

It is a super-2 number, since 2×8682521069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8682521039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4341260534 + 4341260535.

It is an arithmetic number, because the mean of its divisors is an integer number (4341260535).

Almost surely, 2^8682521069 is an apocalyptic number.

It is an amenable number.

8682521069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8682521069 is an equidigital number, since it uses as much as digits as its factorization.

8682521069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 8682521069 is about 93180.0465174814. The cubic root of 8682521069 is about 2055.3318328384.

The spelling of 8682521069 in words is "eight billion, six hundred eighty-two million, five hundred twenty-one thousand, sixty-nine".