8542029218 has 6 divisors (see below), whose sum is σ = 12813239889. Its totient is φ = 4270949256.

The previous prime is 8542029211. The next prime is 8542029281. The reversal of 8542029218 is 8129202458.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6943388929 + 1598640289 = 83327^2 + 39983^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=65353.

It is a super-2 number, since 2×8542029218² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8542029211) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 98030 + ... + 163382.

Almost surely, 2^8542029218 is an apocalyptic number.

8542029218 is a deficient number, since it is larger than the sum of its proper divisors (4271210671).

8542029218 is an frugal number, since it uses more digits than its factorization.

8542029218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130708 (or 65355 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 8542029218 is about 92423.0989417689. The cubic root of 8542029218 is about 2044.1857234833.

The spelling of 8542029218 in words is "eight billion, five hundred forty-two million, twenty-nine thousand, two hundred eighteen".