9838382291623 has 2 divisors, whose sum is σ = 9838382291624. Its totient is φ = 9838382291622.

The previous prime is 9838382291603. The next prime is 9838382291701. The reversal of 9838382291623 is 3261922838389.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9838382291623 is a prime.

It is a super-2 number, since 2×9838382291623² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9838382291603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4919191145811 + 4919191145812.

It is an arithmetic number, because the mean of its divisors is an integer number (4919191145812).

Almost surely, 2^{9838382291623} is an apocalyptic number.

9838382291623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9838382291623 is an equidigital number, since it uses as much as digits as its factorization.

9838382291623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 64.

The spelling of 9838382291623 in words is "nine trillion, eight hundred thirty-eight billion, three hundred eighty-two million, two hundred ninety-one thousand, six hundred twenty-three".