8212442093 has 16 divisors (see below), whose sum is σ = 8749892160. Its totient is φ = 7681165056.

The previous prime is 8212442071. The next prime is 8212442099. The reversal of 8212442093 is 3902442128.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8212442093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212442099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518298 + ... + 2521556.

It is an arithmetic number, because the mean of its divisors is an integer number (546868260).

Almost surely, 2^8212442093 is an apocalyptic number.

It is an amenable number.

8212442093 is a deficient number, since it is larger than the sum of its proper divisors (537450067).

8212442093 is a wasteful number, since it uses less digits than its factorization.

8212442093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8212442093 is about 90622.5253069015. The cubic root of 8212442093 is about 2017.5490723968.

Adding to 8212442093 its sum of digits (35), we get a palindrome (8212442128).

The spelling of 8212442093 in words is "eight billion, two hundred twelve million, four hundred forty-two thousand, ninety-three".