8214613091 has 2 divisors, whose sum is σ = 8214613092. Its totient is φ = 8214613090.

The previous prime is 8214613049. The next prime is 8214613123. The reversal of 8214613091 is 1903164128.

8214613091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8214613091 is a prime.

It is a super-3 number, since 3×8214613091³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (8214613021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107306545 + 4107306546.

It is an arithmetic number, because the mean of its divisors is an integer number (4107306546).

Almost surely, 2^8214613091 is an apocalyptic number.

8214613091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214613091 is an equidigital number, since it uses as much as digits as its factorization.

8214613091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 8214613091 is about 90634.5027624690. The cubic root of 8214613091 is about 2017.7268396205.

The spelling of 8214613091 in words is "eight billion, two hundred fourteen million, six hundred thirteen thousand, ninety-one".