6689719533340 has 24 divisors (see below), whose sum is σ = 14049088956000. Its totient is φ = 2675758682688.

The previous prime is 6689719533293. The next prime is 6689719533389. The reversal of 6689719533340 is 433359179866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7645312 + ... + 8475271.

It is an arithmetic number, because the mean of its divisors is an integer number (585378706500).

Almost surely, 2^{6689719533340} is an apocalyptic number.

It is an amenable number.

6689719533340 is an abundant number, since it is smaller than the sum of its proper divisors (7359369422660).

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

6689719533340 is a wasteful number, since it uses less digits than its factorization.

6689719533340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141341 (or 16141339 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 64.

The spelling of 6689719533340 in words is "six trillion, six hundred eighty-nine billion, seven hundred nineteen million, five hundred thirty-three thousand, three hundred forty".