8492142217 has 8 divisors (see below), whose sum is σ = 9200149056. Its totient is φ = 7791958992.

The previous prime is 8492142199. The next prime is 8492142221. The reversal of 8492142217 is 7122412948.

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

It is a cyclic number.

It is not a de Polignac number, because 8492142217 - 2²³ = 8483753609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8492142217.

It is not an unprimeable number, because it can be changed into a prime (8492142287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953643 + ... + 1957984.

It is an arithmetic number, because the mean of its divisors is an integer number (1150018632).

Almost surely, 2^8492142217 is an apocalyptic number.

It is an amenable number.

8492142217 is a deficient number, since it is larger than the sum of its proper divisors (708006839).

8492142217 is a wasteful number, since it uses less digits than its factorization.

8492142217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911807.

The product of its digits is 64512, while the sum is 40.

The square root of 8492142217 is about 92152.8199080202. The cubic root of 8492142217 is about 2040.1984794230.

The spelling of 8492142217 in words is "eight billion, four hundred ninety-two million, one hundred forty-two thousand, two hundred seventeen".