8521714109 has 4 divisors (see below), whose sum is σ = 8522467200. Its totient is φ = 8520961020.

The previous prime is 8521714079. The next prime is 8521714171. The reversal of 8521714109 is 9014171258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8521714109 - 2¹⁶ = 8521648573 is a prime.

It is a super-2 number, since 2×8521714109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521704109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359309 + ... + 382290.

It is an arithmetic number, because the mean of its divisors is an integer number (2130616800).

Almost surely, 2^8521714109 is an apocalyptic number.

It is an amenable number.

8521714109 is a deficient number, since it is larger than the sum of its proper divisors (753091).

8521714109 is a wasteful number, since it uses less digits than its factorization.

8521714109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753090.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 8521714109 is about 92313.1307507226. The cubic root of 8521714109 is about 2042.5639066391.

The spelling of 8521714109 in words is "eight billion, five hundred twenty-one million, seven hundred fourteen thousand, one hundred nine".