6138244683688 has 32 divisors (see below), whose sum is σ = 12696838214760. Its totient is φ = 2763937566720.

The previous prime is 6138244683653. The next prime is 6138244683689. The reversal of 6138244683688 is 8863864428316.

It can be written as a sum of positive squares in 4 ways, for example, as 642399044004 + 5495845639684 = 801498^2 + 2344322^2 .

It is not an unprimeable number, because it can be changed into a prime (6138244683689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719771145 + ... + 719779672.

Almost surely, 2^{6138244683688} is an apocalyptic number.

It is an amenable number.

6138244683688 is an abundant number, since it is smaller than the sum of its proper divisors (6558593531072).

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

6138244683688 is a wasteful number, since it uses less digits than its factorization.

6138244683688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439550877 (or 1439550873 counting only the distinct ones).

The product of its digits is 254803968, while the sum is 67.

The spelling of 6138244683688 in words is "six trillion, one hundred thirty-eight billion, two hundred forty-four million, six hundred eighty-three thousand, six hundred eighty-eight".