6918434589752 has 48 divisors (see below), whose sum is σ = 15122545083360. Its totient is φ = 2958639336576.

The previous prime is 6918434589751. The next prime is 6918434589779. The reversal of 6918434589752 is 2579854348196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6918434589751) 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 11 ways as a sum of consecutive naturals, for example, 18877973 + ... + 19240964.

It is an arithmetic number, because the mean of its divisors is an integer number (315053022570).

Almost surely, 2^{6918434589752} is an apocalyptic number.

It is an amenable number.

6918434589752 is an abundant number, since it is smaller than the sum of its proper divisors (8204110493608).

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

6918434589752 is a wasteful number, since it uses less digits than its factorization.

6918434589752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38119420 (or 38119409 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 71.

The spelling of 6918434589752 in words is "six trillion, nine hundred eighteen billion, four hundred thirty-four million, five hundred eighty-nine thousand, seven hundred fifty-two".