8521340298 has 8 divisors (see below), whose sum is σ = 17042680608. Its totient is φ = 2840446764.

The previous prime is 8521340279. The next prime is 8521340299. The reversal of 8521340298 is 8920431258.

It is a sphenic number, since it is the product of 3 distinct primes.

8521340298 is an admirable number.

It is a super-2 number, since 2×8521340298² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8521340299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710111686 + ... + 710111697.

It is an arithmetic number, because the mean of its divisors is an integer number (2130335076).

Almost surely, 2^8521340298 is an apocalyptic number.

8521340298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8521340298 is a wasteful number, since it uses less digits than its factorization.

8521340298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420223388.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 8521340298 is about 92311.1060382227. The cubic root of 8521340298 is about 2042.5340400336.

The spelling of 8521340298 in words is "eight billion, five hundred twenty-one million, three hundred forty thousand, two hundred ninety-eight".