1386997411688 has 16 divisors (see below), whose sum is σ = 2972137310880. Its totient is φ = 594427462128.

The previous prime is 1386997411651. The next prime is 1386997411699. The reversal of 1386997411688 is 8861147996831.

It is a super-2 number, since 2×1386997411688² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12383905406 + ... + 12383905517.

It is an arithmetic number, because the mean of its divisors is an integer number (185758581930).

Almost surely, 2^{1386997411688} is an apocalyptic number.

It is an amenable number.

1386997411688 is an abundant number, since it is smaller than the sum of its proper divisors (1585139899192).

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

1386997411688 is a wasteful number, since it uses less digits than its factorization.

1386997411688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24767810936 (or 24767810932 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 71.

The spelling of 1386997411688 in words is "one trillion, three hundred eighty-six billion, nine hundred ninety-seven million, four hundred eleven thousand, six hundred eighty-eight".