8463094021 has 2 divisors, whose sum is σ = 8463094022. Its totient is φ = 8463094020.

The previous prime is 8463094009. The next prime is 8463094043. The reversal of 8463094021 is 1204903648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8402472225 + 60621796 = 91665^2 + 7786^2 .

It is a cyclic number.

It is not a de Polignac number, because 8463094021 - 2⁷ = 8463093893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8463094721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231547010 + 4231547011.

It is an arithmetic number, because the mean of its divisors is an integer number (4231547011).

Almost surely, 2^8463094021 is an apocalyptic number.

It is an amenable number.

8463094021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8463094021 is an equidigital number, since it uses as much as digits as its factorization.

8463094021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 8463094021 is about 91995.0760693201. The cubic root of 8463094021 is about 2037.8695897527.

Adding to 8463094021 its reverse (1204903648), we get a palindrome (9667997669).

The spelling of 8463094021 in words is "eight billion, four hundred sixty-three million, ninety-four thousand, twenty-one".