385649946583 has 8 divisors (see below), whose sum is σ = 421646029200. Its totient is φ = 349810030080.

The previous prime is 385649946529. The next prime is 385649946589.

385649946583 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385649946583 - 2¹⁷ = 385649815511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385649946589) 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 7 ways as a sum of consecutive naturals, for example, 39036360 + ... + 39046237.

It is an arithmetic number, because the mean of its divisors is an integer number (52705753650).

Almost surely, 2^385649946583 is an apocalyptic number.

385649946583 is a deficient number, since it is larger than the sum of its proper divisors (35996082617).

385649946583 is a wasteful number, since it uses less digits than its factorization.

385649946583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78083057.

The product of its digits is 671846400, while the sum is 70.

The spelling of 385649946583 in words is "three hundred eighty-five billion, six hundred forty-nine million, nine hundred forty-six thousand, five hundred eighty-three".