387045369589 has 2 divisors, whose sum is σ = 387045369590. Its totient is φ = 387045369588.

The previous prime is 387045369551. The next prime is 387045369631. The reversal of 387045369589 is 985963540783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386334347364 + 711022225 = 621558^2 + 26665^2 .

It is a cyclic number.

It is not a de Polignac number, because 387045369589 - 2⁹ = 387045369077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387045369539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193522684794 + 193522684795.

It is an arithmetic number, because the mean of its divisors is an integer number (193522684795).

Almost surely, 2^387045369589 is an apocalyptic number.

It is an amenable number.

387045369589 is a deficient number, since it is larger than the sum of its proper divisors (1).

387045369589 is an equidigital number, since it uses as much as digits as its factorization.

387045369589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 387045369589 in words is "three hundred eighty-seven billion, forty-five million, three hundred sixty-nine thousand, five hundred eighty-nine".