1389423789326 has 16 divisors (see below), whose sum is σ = 2085650793600. Its totient is φ = 694206948960.

The previous prime is 1389423789311. The next prime is 1389423789331. The reversal of 1389423789326 is 6239873249831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48531296 + ... + 48559916.

It is an arithmetic number, because the mean of its divisors is an integer number (130353174600).

Almost surely, 2^{1389423789326} is an apocalyptic number.

1389423789326 is a deficient number, since it is larger than the sum of its proper divisors (696227004274).

1389423789326 is a wasteful number, since it uses less digits than its factorization.

1389423789326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45419.

The product of its digits is 94058496, while the sum is 65.

The spelling of 1389423789326 in words is "one trillion, three hundred eighty-nine billion, four hundred twenty-three million, seven hundred eighty-nine thousand, three hundred twenty-six".