389338604793 has 6 divisors (see below), whose sum is σ = 562377984714. Its totient is φ = 259559069856.

The previous prime is 389338604779. The next prime is 389338604801. The reversal of 389338604793 is 397406833983.

389338604793 is a `hidden beast` number, since 3 + 89 + 3 + 3 + 86 + 0 + 479 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 301256081424 + 88082523369 = 548868^2 + 296787^2 .

It is not a de Polignac number, because 389338604793 - 2²² = 389334410489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389338604793.

It is not an unprimeable number, because it can be changed into a prime (389338604293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21629922480 + ... + 21629922497.

It is an arithmetic number, because the mean of its divisors is an integer number (93729664119).

Almost surely, 2^389338604793 is an apocalyptic number.

It is an amenable number.

389338604793 is a deficient number, since it is larger than the sum of its proper divisors (173039379921).

389338604793 is a wasteful number, since it uses less digits than its factorization.

389338604793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43259844983 (or 43259844980 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 389338604793 in words is "three hundred eighty-nine billion, three hundred thirty-eight million, six hundred four thousand, seven hundred ninety-three".