38392781683 has 2 divisors, whose sum is σ = 38392781684. Its totient is φ = 38392781682.

The previous prime is 38392781663. The next prime is 38392781701. The reversal of 38392781683 is 38618729383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38392781683 is a prime.

It is not a weakly prime, because it can be changed into another prime (38392781633) by changing a digit.

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 as a sum of consecutive naturals, namely, 19196390841 + 19196390842.

It is an arithmetic number, because the mean of its divisors is an integer number (19196390842).

Almost surely, 2^38392781683 is an apocalyptic number.

38392781683 is a deficient number, since it is larger than the sum of its proper divisors (1).

38392781683 is an equidigital number, since it uses as much as digits as its factorization.

38392781683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 58.

The spelling of 38392781683 in words is "thirty-eight billion, three hundred ninety-two million, seven hundred eighty-one thousand, six hundred eighty-three".