8600941721 has 2 divisors, whose sum is σ = 8600941722. Its totient is φ = 8600941720.

The previous prime is 8600941693. The next prime is 8600941757. The reversal of 8600941721 is 1271490068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6251116096 + 2349825625 = 79064^2 + 48475^2 .

It is a cyclic number.

It is not a de Polignac number, because 8600941721 - 2¹⁴ = 8600925337 is a prime.

It is not a weakly prime, because it can be changed into another prime (8600941421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4300470860 + 4300470861.

It is an arithmetic number, because the mean of its divisors is an integer number (4300470861).

Almost surely, 2^8600941721 is an apocalyptic number.

It is an amenable number.

8600941721 is a deficient number, since it is larger than the sum of its proper divisors (1).

8600941721 is an equidigital number, since it uses as much as digits as its factorization.

8600941721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 8600941721 is about 92741.2622353179. The cubic root of 8600941721 is about 2048.8743946424.

The spelling of 8600941721 in words is "eight billion, six hundred million, nine hundred forty-one thousand, seven hundred twenty-one".