6756726423981 has 8 divisors (see below), whose sum is σ = 9008988178624. Its totient is φ = 4504474476000.

The previous prime is 6756726423977. The next prime is 6756726424013. The reversal of 6756726423981 is 1893246276576.

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

It is not a de Polignac number, because 6756726423981 - 2² = 6756726423977 is a prime.

It is a super-2 number, since 2×6756726423981² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6756026423981) 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 7 ways as a sum of consecutive naturals, for example, 656161 + ... + 3734166.

It is an arithmetic number, because the mean of its divisors is an integer number (1126123522328).

Almost surely, 2^{6756726423981} is an apocalyptic number.

It is an amenable number.

6756726423981 is a deficient number, since it is larger than the sum of its proper divisors (2252261754643).

6756726423981 is a wasteful number, since it uses less digits than its factorization.

6756726423981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903331.

The product of its digits is 182891520, while the sum is 66.

The spelling of 6756726423981 in words is "six trillion, seven hundred fifty-six billion, seven hundred twenty-six million, four hundred twenty-three thousand, nine hundred eighty-one".