1388489659087 has 2 divisors, whose sum is σ = 1388489659088. Its totient is φ = 1388489659086.

The previous prime is 1388489659057. The next prime is 1388489659133. The reversal of 1388489659087 is 7809569848831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1388489659087 - 2²³ = 1388481270479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388489659057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694244829543 + 694244829544.

It is an arithmetic number, because the mean of its divisors is an integer number (694244829544).

Almost surely, 2^{1388489659087} is an apocalyptic number.

1388489659087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388489659087 is an equidigital number, since it uses as much as digits as its factorization.

1388489659087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 836075520, while the sum is 76.

The spelling of 1388489659087 in words is "one trillion, three hundred eighty-eight billion, four hundred eighty-nine million, six hundred fifty-nine thousand, eighty-seven".