1389519341087 has 2 divisors, whose sum is σ = 1389519341088. Its totient is φ = 1389519341086.

The previous prime is 1389519341071. The next prime is 1389519341099. The reversal of 1389519341087 is 7801439159831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1389519341087 - 2⁴ = 1389519341071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1389519341387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694759670543 + 694759670544.

It is an arithmetic number, because the mean of its divisors is an integer number (694759670544).

Almost surely, 2^{1389519341087} is an apocalyptic number.

1389519341087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1389519341087 is an equidigital number, since it uses as much as digits as its factorization.

1389519341087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 1389519341087 in words is "one trillion, three hundred eighty-nine billion, five hundred nineteen million, three hundred forty-one thousand, eighty-seven".