8680013569 has 2 divisors, whose sum is σ = 8680013570. Its totient is φ = 8680013568.

The previous prime is 8680013513. The next prime is 8680013579. The reversal of 8680013569 is 9653100868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8429994225 + 250019344 = 91815^2 + 15812^2 .

It is a cyclic number.

It is not a de Polignac number, because 8680013569 - 2²³ = 8671624961 is a prime.

It is a super-2 number, since 2×8680013569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8680013509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340006784 + 4340006785.

It is an arithmetic number, because the mean of its divisors is an integer number (4340006785).

Almost surely, 2^8680013569 is an apocalyptic number.

It is an amenable number.

8680013569 is a deficient number, since it is larger than the sum of its proper divisors (1).

8680013569 is an equidigital number, since it uses as much as digits as its factorization.

8680013569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 8680013569 is about 93166.5904120141. The cubic root of 8680013569 is about 2055.1339547973.

The spelling of 8680013569 in words is "eight billion, six hundred eighty million, thirteen thousand, five hundred sixty-nine".