1389324963 has 16 divisors (see below), whose sum is σ = 1996000160. Its totient is φ = 854509824.

The previous prime is 1389324961. The next prime is 1389324997. The reversal of 1389324963 is 3694239831.

It is a happy number.

It is not a de Polignac number, because 1389324963 - 2¹ = 1389324961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1389324961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72945 + ... + 89997.

It is an arithmetic number, because the mean of its divisors is an integer number (124750010).

Almost surely, 2^1389324963 is an apocalyptic number.

1389324963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1389324963 is a deficient number, since it is larger than the sum of its proper divisors (606675197).

1389324963 is a wasteful number, since it uses less digits than its factorization.

1389324963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19158.

The product of its digits is 839808, while the sum is 48.

The square root of 1389324963 is about 37273.6497139735. The cubic root of 1389324963 is about 1115.8383402031.

The spelling of 1389324963 in words is "one billion, three hundred eighty-nine million, three hundred twenty-four thousand, nine hundred sixty-three".