389465414389 has 2 divisors, whose sum is σ = 389465414390. Its totient is φ = 389465414388.

The previous prime is 389465414383. The next prime is 389465414441. The reversal of 389465414389 is 983414564983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240359770225 + 149105644164 = 490265^2 + 386142^2 .

It is a cyclic number.

It is not a de Polignac number, because 389465414389 - 2⁹ = 389465413877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389465414389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389465414383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194732707194 + 194732707195.

It is an arithmetic number, because the mean of its divisors is an integer number (194732707195).

Almost surely, 2^389465414389 is an apocalyptic number.

It is an amenable number.

389465414389 is a deficient number, since it is larger than the sum of its proper divisors (1).

389465414389 is an equidigital number, since it uses as much as digits as its factorization.

389465414389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89579520, while the sum is 64.

The spelling of 389465414389 in words is "three hundred eighty-nine billion, four hundred sixty-five million, four hundred fourteen thousand, three hundred eighty-nine".