1389104798562 has 96 divisors (see below), whose sum is σ = 3315293549568. Its totient is φ = 417680108928.

The previous prime is 1389104798531. The next prime is 1389104798567. The reversal of 1389104798562 is 2658974019831.

1389104798562 is a `hidden beast` number, since 1 + 3 + 89 + 1 + 0 + 479 + 85 + 6 + 2 = 666.

It is a super-2 number, since 2×1389104798562² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1389104798562.

It is not an unprimeable number, because it can be changed into a prime (1389104798567) 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 47 ways as a sum of consecutive naturals, for example, 7084983 + ... + 7278405.

It is an arithmetic number, because the mean of its divisors is an integer number (34534307808).

It is a 1-persistent number, because it is pandigital, but 2⋅1389104798562 = 2778209597124 is not.

Almost surely, 2^{1389104798562} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389104798562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657646774784).

1389104798562 is an abundant number, since it is smaller than the sum of its proper divisors (1926188751006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389104798562 is a wasteful number, since it uses less digits than its factorization.

1389104798562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194144 (or 194141 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 1389104798562 in words is "one trillion, three hundred eighty-nine billion, one hundred four million, seven hundred ninety-eight thousand, five hundred sixty-two".