6678730723453 has 16 divisors (see below), whose sum is σ = 7081895309824. Its totient is φ = 6287367458880.

The previous prime is 6678730723447. The next prime is 6678730723459. The reversal of 6678730723453 is 3543270378766.

It is an interprime number because it is at equal distance from previous prime (6678730723447) and next prime (6678730723459).

It is not a de Polignac number, because 6678730723453 - 2⁹ = 6678730722941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6678730723391 and 6678730723400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678730723459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5287651 + ... + 6427807.

It is an arithmetic number, because the mean of its divisors is an integer number (442618456864).

Almost surely, 2^{6678730723453} is an apocalyptic number.

It is an amenable number.

6678730723453 is a deficient number, since it is larger than the sum of its proper divisors (403164586371).

6678730723453 is a wasteful number, since it uses less digits than its factorization.

6678730723453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145332.

The product of its (nonzero) digits is 106686720, while the sum is 61.

The spelling of 6678730723453 in words is "six trillion, six hundred seventy-eight billion, seven hundred thirty million, seven hundred twenty-three thousand, four hundred fifty-three".