9673381831 has 2 divisors, whose sum is σ = 9673381832. Its totient is φ = 9673381830.

The previous prime is 9673381819. The next prime is 9673381849. The reversal of 9673381831 is 1381833769.

9673381831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1381833769) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9673381831 is a prime.

It is a super-2 number, since 2×9673381831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9673381801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4836690915 + 4836690916.

It is an arithmetic number, because the mean of its divisors is an integer number (4836690916).

Almost surely, 2^9673381831 is an apocalyptic number.

9673381831 is a deficient number, since it is larger than the sum of its proper divisors (1).

9673381831 is an equidigital number, since it uses as much as digits as its factorization.

9673381831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 9673381831 is about 98353.3519052605. The cubic root of 9673381831 is about 2130.7186647511.

The spelling of 9673381831 in words is "nine billion, six hundred seventy-three million, three hundred eighty-one thousand, eight hundred thirty-one".