385187928433 has 32 divisors (see below), whose sum is σ = 490617815040. Its totient is φ = 293661063360.

The previous prime is 385187928421. The next prime is 385187928479. The reversal of 385187928433 is 334829781583.

It is a de Polignac number, because none of the positive numbers 2^k-385187928433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385187928233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11756248 + ... + 11788966.

It is an arithmetic number, because the mean of its divisors is an integer number (15331806720).

Almost surely, 2^385187928433 is an apocalyptic number.

It is an amenable number.

385187928433 is a deficient number, since it is larger than the sum of its proper divisors (105429886607).

385187928433 is a wasteful number, since it uses less digits than its factorization.

385187928433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36037.

The product of its digits is 34836480, while the sum is 61.

The spelling of 385187928433 in words is "three hundred eighty-five billion, one hundred eighty-seven million, nine hundred twenty-eight thousand, four hundred thirty-three".