385846513837 has 4 divisors (see below), whose sum is σ = 385884437596. Its totient is φ = 385808590080.

The previous prime is 385846513823. The next prime is 385846513841. The reversal of 385846513837 is 738315648583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 738315648583 = 21569 ⋅34230407.

It can be written as a sum of positive squares in 2 ways, for example, as 142018937316 + 243827576521 = 376854^2 + 493789^2 .

It is a cyclic number.

It is not a de Polignac number, because 385846513837 - 2¹⁹ = 385845989549 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 (385846513817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18946614 + ... + 18966967.

It is an arithmetic number, because the mean of its divisors is an integer number (96471109399).

Almost surely, 2^385846513837 is an apocalyptic number.

It is an amenable number.

385846513837 is a deficient number, since it is larger than the sum of its proper divisors (37923759).

385846513837 is a wasteful number, since it uses less digits than its factorization.

385846513837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37923758.

The product of its digits is 58060800, while the sum is 61.

The spelling of 385846513837 in words is "three hundred eighty-five billion, eight hundred forty-six million, five hundred thirteen thousand, eight hundred thirty-seven".