1389194936613 has 224 divisors, whose sum is σ = 2375540120448. Its totient is φ = 804722688000.

The previous prime is 1389194936611. The next prime is 1389194936629. The reversal of 1389194936613 is 3166394919831.

1389194936613 is a `hidden beast` number, since 1 + 3 + 8 + 9 + 1 + 9 + 4 + 9 + 3 + 6 + 613 = 666.

It is not a de Polignac number, because 1389194936613 - 2¹ = 1389194936611 is a prime.

It is a super-2 number, since 2×1389194936613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389194936611) 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 223 ways as a sum of consecutive naturals, for example, 3935396245 + ... + 3935396597.

Almost surely, 2^{1389194936613} is an apocalyptic number.

It is an amenable number.

1389194936613 is a deficient number, since it is larger than the sum of its proper divisors (986345183835).

1389194936613 is a wasteful number, since it uses less digits than its factorization.

1389194936613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 624 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 63.

The spelling of 1389194936613 in words is "one trillion, three hundred eighty-nine billion, one hundred ninety-four million, nine hundred thirty-six thousand, six hundred thirteen".