1389114460449 has 27 divisors (see below), whose sum is σ = 2022606797809. Its totient is φ = 918700584360.

The previous prime is 1389114460441. The next prime is 1389114460469. The reversal of 1389114460449 is 9440644119831.

It is a happy number.

The square root of 1389114460449 is 1178607.

It is a perfect power (a square), and thus also a powerful number.

1389114460449 is a `hidden beast` number, since 1 + 3 + 89 + 114 + 4 + 6 + 0 + 449 = 666.

It is not a de Polignac number, because 1389114460449 - 2³ = 1389114460441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1389114460395 and 1389114460404.

It is not an unprimeable number, because it can be changed into a prime (1389114460441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 463191052 + ... + 463194050.

Almost surely, 2^{1389114460449} is an apocalyptic number.

1389114460449 is the 1178607-th square number.

1389114460449 is the 589304-th centered octagonal number.

It is an amenable number.

1389114460449 is a deficient number, since it is larger than the sum of its proper divisors (633492337360).

1389114460449 is an frugal number, since it uses more digits than its factorization.

1389114460449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 1389114460449 in words is "one trillion, three hundred eighty-nine billion, one hundred fourteen million, four hundred sixty thousand, four hundred forty-nine".