385464937313 has 4 divisors (see below), whose sum is σ = 391784034708. Its totient is φ = 379145839920.

The previous prime is 385464937307. The next prime is 385464937321. The reversal of 385464937313 is 313739464583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159513969664 + 225950967649 = 399392^2 + 475343^2 .

It is a cyclic number.

It is not a de Polignac number, because 385464937313 - 2²⁰ = 385463888737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385464930313) 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 in 3 ways as a sum of consecutive naturals, for example, 3159548606 + ... + 3159548727.

It is an arithmetic number, because the mean of its divisors is an integer number (97946008677).

Almost surely, 2^385464937313 is an apocalyptic number.

It is an amenable number.

385464937313 is a deficient number, since it is larger than the sum of its proper divisors (6319097395).

385464937313 is an equidigital number, since it uses as much as digits as its factorization.

385464937313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319097394.

The product of its digits is 19595520, while the sum is 56.

The spelling of 385464937313 in words is "three hundred eighty-five billion, four hundred sixty-four million, nine hundred thirty-seven thousand, three hundred thirteen".