8184312642 has 16 divisors (see below), whose sum is σ = 17856682272. Its totient is φ = 2480094720.

The previous prime is 8184312623. The next prime is 8184312649. The reversal of 8184312642 is 2462134818.

It is a self number, because there is not a number n which added to its sum of digits gives 8184312642.

It is not an unprimeable number, because it can be changed into a prime (8184312649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62002303 + ... + 62002434.

It is an arithmetic number, because the mean of its divisors is an integer number (1116042642).

Almost surely, 2^8184312642 is an apocalyptic number.

8184312642 is an abundant number, since it is smaller than the sum of its proper divisors (9672369630).

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

8184312642 is a wasteful number, since it uses less digits than its factorization.

8184312642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124004753.

The product of its digits is 73728, while the sum is 39.

The square root of 8184312642 is about 90467.1909699865. The cubic root of 8184312642 is about 2015.2429184158.

The spelling of 8184312642 in words is "eight billion, one hundred eighty-four million, three hundred twelve thousand, six hundred forty-two".