42247065386 has 8 divisors (see below), whose sum is σ = 65083317060. Its totient is φ = 20552626368.

The previous prime is 42247065361. The next prime is 42247065407. The reversal of 42247065386 is 68356074224.

It can be written as a sum of positive squares in 2 ways, for example, as 34594140025 + 7652925361 = 185995^2 + 87481^2 .

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 42247065386.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 285453071 + ... + 285453218.

Almost surely, 2^42247065386 is an apocalyptic number.

42247065386 is a deficient number, since it is larger than the sum of its proper divisors (22836251674).

42247065386 is a wasteful number, since it uses less digits than its factorization.

42247065386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570906328.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 42247065386 in words is "forty-two billion, two hundred forty-seven million, sixty-five thousand, three hundred eighty-six".