9420783926387 has 2 divisors, whose sum is σ = 9420783926388. Its totient is φ = 9420783926386.

The previous prime is 9420783926347. The next prime is 9420783926423. The reversal of 9420783926387 is 7836293870249.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9420783926387 is a prime.

It is not a weakly prime, because it can be changed into another prime (9420783926347) 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, 4710391963193 + 4710391963194.

It is an arithmetic number, because the mean of its divisors is an integer number (4710391963194).

Almost surely, 2^{9420783926387} is an apocalyptic number.

9420783926387 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420783926387 is an equidigital number, since it uses as much as digits as its factorization.

9420783926387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219469824, while the sum is 68.

The spelling of 9420783926387 in words is "nine trillion, four hundred twenty billion, seven hundred eighty-three million, nine hundred twenty-six thousand, three hundred eighty-seven".