385643346583 has 16 divisors (see below), whose sum is σ = 427010568192. Its totient is φ = 345363228000.

The previous prime is 385643346577. The next prime is 385643346629.

385643346583 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 385643346583 - 2¹⁷ = 385643215511 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 (385643346083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674628 + ... + 1107433.

It is an arithmetic number, because the mean of its divisors is an integer number (26688160512).

Almost surely, 2^385643346583 is an apocalyptic number.

385643346583 is a deficient number, since it is larger than the sum of its proper divisors (41367221609).

385643346583 is a wasteful number, since it uses less digits than its factorization.

385643346583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782366.

The product of its digits is 74649600, while the sum is 58.

The spelling of 385643346583 in words is "three hundred eighty-five billion, six hundred forty-three million, three hundred forty-six thousand, five hundred eighty-three".