389673989147 has 2 divisors, whose sum is σ = 389673989148. Its totient is φ = 389673989146.

The previous prime is 389673989143. The next prime is 389673989179. The reversal of 389673989147 is 741989376983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389673989147 - 2² = 389673989143 is a prime.

It is not a weakly prime, because it can be changed into another prime (389673989143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194836994573 + 194836994574.

It is an arithmetic number, because the mean of its divisors is an integer number (194836994574).

Almost surely, 2^389673989147 is an apocalyptic number.

389673989147 is a deficient number, since it is larger than the sum of its proper divisors (1).

389673989147 is an equidigital number, since it uses as much as digits as its factorization.

389673989147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493807104, while the sum is 74.

The spelling of 389673989147 in words is "three hundred eighty-nine billion, six hundred seventy-three million, nine hundred eighty-nine thousand, one hundred forty-seven".