389687949786983 has 2 divisors, whose sum is σ = 389687949786984. Its totient is φ = 389687949786982.

The previous prime is 389687949786937. The next prime is 389687949787021.

It is a happy number.

389687949786983 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 389687949786983 - 2⁸ = 389687949786727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389687949786383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194843974893491 + 194843974893492.

It is an arithmetic number, because the mean of its divisors is an integer number (194843974893492).

Almost surely, 2^{389687949786983} is an apocalyptic number.

389687949786983 is a deficient number, since it is larger than the sum of its proper divisors (1).

389687949786983 is an equidigital number, since it uses as much as digits as its factorization.

389687949786983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1706597351424, while the sum is 104.

The spelling of 389687949786983 in words is "three hundred eighty-nine trillion, six hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-six thousand, nine hundred eighty-three".