385684302933 has 12 divisors (see below), whose sum is σ = 558168844428. Its totient is φ = 256629347520.

The previous prime is 385684302917. The next prime is 385684302989. The reversal of 385684302933 is 339203486583.

It is a happy number.

385684302933 is a `hidden beast` number, since 3 + 8 + 568 + 43 + 0 + 2 + 9 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 106079187204 + 279605115729 = 325698^2 + 528777^2 .

It is not a de Polignac number, because 385684302933 - 2⁴ = 385684302917 is a prime.

It is a super-2 number, since 2×385684302933² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385684302933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385684302833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41121810 + ... + 41131187.

It is an arithmetic number, because the mean of its divisors is an integer number (46514070369).

Almost surely, 2^385684302933 is an apocalyptic number.

It is an amenable number.

385684302933 is a deficient number, since it is larger than the sum of its proper divisors (172484541495).

385684302933 is a wasteful number, since it uses less digits than its factorization.

385684302933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82253524 (or 82253521 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 385684302933 in words is "three hundred eighty-five billion, six hundred eighty-four million, three hundred two thousand, nine hundred thirty-three".