1389300686596 has 27 divisors (see below), whose sum is σ = 2446615207029. Its totient is φ = 690295098528.

The previous prime is 1389300686569. The next prime is 1389300686677. The reversal of 1389300686596 is 6956860039831.

The square root of 1389300686596 is 1178686.

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

It can be written as a sum of positive squares in only one way, i.e., 129878068996 + 1259422617600 = 360386^2 + 1122240^2 .

It is a super-2 number, since 2×1389300686596² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 393679360 + ... + 393682888.

Almost surely, 2^{1389300686596} is an apocalyptic number.

1389300686596 is the 1178686-th square number.

It is an amenable number.

1389300686596 is a deficient number, since it is larger than the sum of its proper divisors (1057314520433).

1389300686596 is an frugal number, since it uses more digits than its factorization.

1389300686596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 64.

Multiplying 1389300686596 by its sum of digits (64), we get a square (88915243942144 = 9429488²).

The spelling of 1389300686596 in words is "one trillion, three hundred eighty-nine billion, three hundred million, six hundred eighty-six thousand, five hundred ninety-six".