8542029219 has 16 divisors (see below), whose sum is σ = 12086589312. Its totient is φ = 5347591808.

The previous prime is 8542029211. The next prime is 8542029281. The reversal of 8542029219 is 9129202458.

It is a happy number.

It is not a de Polignac number, because 8542029219 - 2³ = 8542029211 is a prime.

It is a super-2 number, since 2×8542029219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8542029211) 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 in 15 ways as a sum of consecutive naturals, for example, 166449 + ... + 211634.

It is an arithmetic number, because the mean of its divisors is an integer number (755411832).

Almost surely, 2^8542029219 is an apocalyptic number.

8542029219 is a deficient number, since it is larger than the sum of its proper divisors (3544560093).

8542029219 is a wasteful number, since it uses less digits than its factorization.

8542029219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378546.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8542029219 is about 92423.0989471788. The cubic root of 8542029219 is about 2044.1857235631.

The spelling of 8542029219 in words is "eight billion, five hundred forty-two million, twenty-nine thousand, two hundred nineteen".