385128536283 has 24 divisors (see below), whose sum is σ = 572689113776. Its totient is φ = 249219633600.

The previous prime is 385128536281. The next prime is 385128536291. The reversal of 385128536283 is 382635821583.

385128536283 is a `hidden beast` number, since 3 + 8 + 5 + 1 + 2 + 8 + 5 + 3 + 628 + 3 = 666.

It is not a de Polignac number, because 385128536283 - 2¹ = 385128536281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385128536281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1233373 + ... + 1513758.

Almost surely, 2^385128536283 is an apocalyptic number.

385128536283 is a deficient number, since it is larger than the sum of its proper divisors (187560577493).

385128536283 is a wasteful number, since it uses less digits than its factorization.

385128536283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747595 (or 2747592 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 385128536283 in words is "three hundred eighty-five billion, one hundred twenty-eight million, five hundred thirty-six thousand, two hundred eighty-three".