385905812303 has 16 divisors (see below), whose sum is σ = 433008970656. Its totient is φ = 340834314240.

The previous prime is 385905812267. The next prime is 385905812329. The reversal of 385905812303 is 303218509583.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 385905812303 - 2²⁸ = 385637376847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385905812003) 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 in 15 ways as a sum of consecutive naturals, for example, 430526 + ... + 978347.

It is an arithmetic number, because the mean of its divisors is an integer number (27063060666).

Almost surely, 2^385905812303 is an apocalyptic number.

385905812303 is a deficient number, since it is larger than the sum of its proper divisors (47103158353).

385905812303 is a wasteful number, since it uses less digits than its factorization.

385905812303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409594.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 385905812303 in words is "three hundred eighty-five billion, nine hundred five million, eight hundred twelve thousand, three hundred three".