8339647642 has 8 divisors (see below), whose sum is σ = 12800389536. Its totient is φ = 4072851132.

The previous prime is 8339647639. The next prime is 8339647643. The reversal of 8339647642 is 2467469338.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8339647642.

It is not an unprimeable number, because it can be changed into a prime (8339647643) 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 3 ways as a sum of consecutive naturals, for example, 48486238 + ... + 48486409.

It is an arithmetic number, because the mean of its divisors is an integer number (1600048692).

Almost surely, 2^8339647642 is an apocalyptic number.

8339647642 is a deficient number, since it is larger than the sum of its proper divisors (4460741894).

8339647642 is a wasteful number, since it uses less digits than its factorization.

8339647642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96972692.

The product of its digits is 5225472, while the sum is 52.

The square root of 8339647642 is about 91321.6712615357. The cubic root of 8339647642 is about 2027.9126012556.

The spelling of 8339647642 in words is "eight billion, three hundred thirty-nine million, six hundred forty-seven thousand, six hundred forty-two".