385050353939 has 2 divisors, whose sum is σ = 385050353940. Its totient is φ = 385050353938.

The previous prime is 385050353893. The next prime is 385050353993. The reversal of 385050353939 is 939353050583.

Together with next prime (385050353993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385050353939 is a prime.

It is not a weakly prime, because it can be changed into another prime (385050353239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192525176969 + 192525176970.

It is an arithmetic number, because the mean of its divisors is an integer number (192525176970).

Almost surely, 2^385050353939 is an apocalyptic number.

385050353939 is a deficient number, since it is larger than the sum of its proper divisors (1).

385050353939 is an equidigital number, since it uses as much as digits as its factorization.

385050353939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561000, while the sum is 53.

The spelling of 385050353939 in words is "three hundred eighty-five billion, fifty million, three hundred fifty-three thousand, nine hundred thirty-nine".