8382790643 has 2 divisors, whose sum is σ = 8382790644. Its totient is φ = 8382790642.

The previous prime is 8382790639. The next prime is 8382790679. The reversal of 8382790643 is 3460972838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8382790643 - 2² = 8382790639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8382790591 and 8382790600.

It is not a weakly prime, because it can be changed into another prime (8382790613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4191395321 + 4191395322.

It is an arithmetic number, because the mean of its divisors is an integer number (4191395322).

Almost surely, 2^8382790643 is an apocalyptic number.

8382790643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8382790643 is an equidigital number, since it uses as much as digits as its factorization.

8382790643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 8382790643 is about 91557.5810241839. The cubic root of 8382790643 is about 2031.4035480322.

The spelling of 8382790643 in words is "eight billion, three hundred eighty-two million, seven hundred ninety thousand, six hundred forty-three".