6743920821753 has 8 divisors (see below), whose sum is σ = 9520829395488. Its totient is φ = 4231479731264.

The previous prime is 6743920821749. The next prime is 6743920821767. The reversal of 6743920821753 is 3571280293476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6743920821753 - 2² = 6743920821749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6743920821693 and 6743920821702.

It is not an unprimeable number, because it can be changed into a prime (6743920829753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66116870751 + ... + 66116870852.

It is an arithmetic number, because the mean of its divisors is an integer number (1190103674436).

It is a 1-persistent number, because it is pandigital, but 2⋅6743920821753 = 13487841643506 is not.

Almost surely, 2^{6743920821753} is an apocalyptic number.

It is an amenable number.

6743920821753 is a deficient number, since it is larger than the sum of its proper divisors (2776908573735).

6743920821753 is a wasteful number, since it uses less digits than its factorization.

6743920821753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132233741623.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 6743920821753 in words is "six trillion, seven hundred forty-three billion, nine hundred twenty million, eight hundred twenty-one thousand, seven hundred fifty-three".