384756109389 has 12 divisors (see below), whose sum is σ = 588450520476. Its totient is φ = 241415597952.

The previous prime is 384756109373. The next prime is 384756109399. The reversal of 384756109389 is 983901657483.

384756109389 is a `hidden beast` number, since 3 + 8 + 4 + 7 + 5 + 610 + 9 + 3 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 220514768100 + 164241341289 = 469590^2 + 405267^2 .

It is not a de Polignac number, because 384756109389 - 2⁴ = 384756109373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384756109319) 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, 1257372754 + ... + 1257373059.

It is an arithmetic number, because the mean of its divisors is an integer number (49037543373).

Almost surely, 2^384756109389 is an apocalyptic number.

It is an amenable number.

384756109389 is a deficient number, since it is larger than the sum of its proper divisors (203694411087).

384756109389 is a wasteful number, since it uses less digits than its factorization.

384756109389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514745836 (or 2514745833 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 384756109389 in words is "three hundred eighty-four billion, seven hundred fifty-six million, one hundred nine thousand, three hundred eighty-nine".