1389768257163 has 64 divisors (see below), whose sum is σ = 2242981440000. Its totient is φ = 754269926400.

The previous prime is 1389768257149. The next prime is 1389768257197. The reversal of 1389768257163 is 3617528679831.

It is not a de Polignac number, because 1389768257163 - 2¹² = 1389768253067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1389768257094 and 1389768257103.

It is not an unprimeable number, because it can be changed into a prime (1389768257263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1546588 + ... + 2274086.

It is an arithmetic number, because the mean of its divisors is an integer number (35046585000).

Almost surely, 2^{1389768257163} is an apocalyptic number.

1389768257163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1389768257163 is a deficient number, since it is larger than the sum of its proper divisors (853213182837).

1389768257163 is a wasteful number, since it uses less digits than its factorization.

1389768257163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727660.

The product of its digits is 91445760, while the sum is 66.

The spelling of 1389768257163 in words is "one trillion, three hundred eighty-nine billion, seven hundred sixty-eight million, two hundred fifty-seven thousand, one hundred sixty-three".