8336514721 has 2 divisors, whose sum is σ = 8336514722. Its totient is φ = 8336514720.

The previous prime is 8336514679. The next prime is 8336514763. The reversal of 8336514721 is 1274156338.

It is a balanced prime because it is at equal distance from previous prime (8336514679) and next prime (8336514763).

It can be written as a sum of positive squares in only one way, i.e., 8147589696 + 188925025 = 90264^2 + 13745^2 .

It is a cyclic number.

It is not a de Polignac number, because 8336514721 - 2¹⁵ = 8336481953 is a prime.

It is not a weakly prime, because it can be changed into another prime (8336514821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4168257360 + 4168257361.

It is an arithmetic number, because the mean of its divisors is an integer number (4168257361).

Almost surely, 2^8336514721 is an apocalyptic number.

It is an amenable number.

8336514721 is a deficient number, since it is larger than the sum of its proper divisors (1).

8336514721 is an equidigital number, since it uses as much as digits as its factorization.

8336514721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 8336514721 is about 91304.5164326497. The cubic root of 8336514721 is about 2027.6586302653.

The spelling of 8336514721 in words is "eight billion, three hundred thirty-six million, five hundred fourteen thousand, seven hundred twenty-one".