8686483121 has 2 divisors, whose sum is σ = 8686483122. Its totient is φ = 8686483120.

The previous prime is 8686483103. The next prime is 8686483133. The reversal of 8686483121 is 1213846868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7610643121 + 1075840000 = 87239^2 + 32800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8686483121 is a prime.

It is a super-2 number, since 2×8686483121² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8686483151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343241560 + 4343241561.

It is an arithmetic number, because the mean of its divisors is an integer number (4343241561).

Almost surely, 2^8686483121 is an apocalyptic number.

It is an amenable number.

8686483121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686483121 is an equidigital number, since it uses as much as digits as its factorization.

8686483121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 47.

The square root of 8686483121 is about 93201.3042880839. The cubic root of 8686483121 is about 2055.6444184411.

The spelling of 8686483121 in words is "eight billion, six hundred eighty-six million, four hundred eighty-three thousand, one hundred twenty-one".