385435496347919 has 32 divisors (see below), whose sum is σ = 403165135296000. Its totient is φ = 368026435889280.

The previous prime is 385435496347901. The next prime is 385435496347991. The reversal of 385435496347919 is 919743694534583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385435496347919 is a prime.

It is a super-2 number, since 2×385435496347919² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385435496347999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1176483404 + ... + 1176810974.

It is an arithmetic number, because the mean of its divisors is an integer number (12598910478000).

Almost surely, 2^{385435496347919} is an apocalyptic number.

385435496347919 is a deficient number, since it is larger than the sum of its proper divisors (17729638948081).

385435496347919 is a wasteful number, since it uses less digits than its factorization.

385435496347919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328943.

The product of its digits is 10581580800, while the sum is 80.

The spelling of 385435496347919 in words is "three hundred eighty-five trillion, four hundred thirty-five billion, four hundred ninety-six million, three hundred forty-seven thousand, nine hundred nineteen".