385546645583 has 16 divisors (see below), whose sum is σ = 429293644416. Its totient is φ = 343272702240.

The previous prime is 385546645543. The next prime is 385546645591.

385546645583 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 385546645583 - 2¹⁴ = 385546629199 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 (385546645543) 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, 259085 + ... + 915542.

It is an arithmetic number, because the mean of its divisors is an integer number (26830852776).

Almost surely, 2^385546645583 is an apocalyptic number.

385546645583 is a deficient number, since it is larger than the sum of its proper divisors (43746998833).

385546645583 is a wasteful number, since it uses less digits than its factorization.

385546645583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175254.

The product of its digits is 207360000, while the sum is 62.

The spelling of 385546645583 in words is "three hundred eighty-five billion, five hundred forty-six million, six hundred forty-five thousand, five hundred eighty-three".