1389986488799 has 24 divisors (see below), whose sum is σ = 1504116230400. Its totient is φ = 1280748989520.

The previous prime is 1389986488789. The next prime is 1389986488817. The reversal of 1389986488799 is 9978846899831.

It is not a de Polignac number, because 1389986488799 - 2⁸ = 1389986488543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389986488729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6634844 + ... + 6841134.

It is an arithmetic number, because the mean of its divisors is an integer number (62671509600).

Almost surely, 2^{1389986488799} is an apocalyptic number.

1389986488799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1389986488799 is a deficient number, since it is larger than the sum of its proper divisors (114129741601).

1389986488799 is an equidigital number, since it uses as much as digits as its factorization.

1389986488799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206523 (or 206456 counting only the distinct ones).

The product of its digits is 13544423424, while the sum is 89.

The spelling of 1389986488799 in words is "one trillion, three hundred eighty-nine billion, nine hundred eighty-six million, four hundred eighty-eight thousand, seven hundred ninety-nine".