1389519340633 has 2 divisors, whose sum is σ = 1389519340634. Its totient is φ = 1389519340632.

The previous prime is 1389519340529. The next prime is 1389519340637. The reversal of 1389519340633 is 3360439159831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972685117504 + 416834223129 = 986248^2 + 645627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1389519340633 - 2³³ = 1380929406041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1389519340637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694759670316 + 694759670317.

It is an arithmetic number, because the mean of its divisors is an integer number (694759670317).

Almost surely, 2^{1389519340633} is an apocalyptic number.

It is an amenable number.

1389519340633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1389519340633 is an equidigital number, since it uses as much as digits as its factorization.

1389519340633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 1389519340633 in words is "one trillion, three hundred eighty-nine billion, five hundred nineteen million, three hundred forty thousand, six hundred thirty-three".