389642404246983 has 18 divisors (see below), whose sum is σ = 578439186454584. Its totient is φ = 252741018963024.

The previous prime is 389642404246937. The next prime is 389642404246999.

389642404246983 is a `hidden beast` number, since 3 + 8 + 9 + 6 + 4 + 2 + 40 + 42 + 469 + 83 = 666.

389642404246983 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 389642404246983 - 2²¹ = 389642402149831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389642403246983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15812113491 + ... + 15812138132.

It is an arithmetic number, because the mean of its divisors is an integer number (32135510358588).

Almost surely, 2^{389642404246983} is an apocalyptic number.

389642404246983 is a deficient number, since it is larger than the sum of its proper divisors (188796782207601).

389642404246983 is a wasteful number, since it uses less digits than its factorization.

389642404246983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31624251703 (or 31624251663 counting only the distinct ones).

The product of its (nonzero) digits is 1719926784, while the sum is 72.

The spelling of 389642404246983 in words is "three hundred eighty-nine trillion, six hundred forty-two billion, four hundred four million, two hundred forty-six thousand, nine hundred eighty-three".