1386359605944 has 64 divisors (see below), whose sum is σ = 3851457012000. Its totient is φ = 462064896000.

The previous prime is 1386359605933. The next prime is 1386359605949. The reversal of 1386359605944 is 4495069536831.

1386359605944 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 35 + 9 + 6 + 0 + 594 + 4 = 666.

It is a super-2 number, since 2×1386359605944² (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 (1386359605949) 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 15 ways as a sum of consecutive naturals, for example, 1458712 + ... + 2213720.

Almost surely, 2^{1386359605944} is an apocalyptic number.

It is an amenable number.

1386359605944 is an abundant number, since it is smaller than the sum of its proper divisors (2465097406056).

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

1386359605944 is a wasteful number, since it uses less digits than its factorization.

1386359605944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763525 (or 763515 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 1386359605944 in words is "one trillion, three hundred eighty-six billion, three hundred fifty-nine million, six hundred five thousand, nine hundred forty-four".