6723394451 has 2 divisors, whose sum is σ = 6723394452. Its totient is φ = 6723394450.

The previous prime is 6723394411. The next prime is 6723394507. The reversal of 6723394451 is 1544933276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6723394451 is a prime.

It is not a weakly prime, because it can be changed into another prime (6723394411) 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 as a sum of consecutive naturals, namely, 3361697225 + 3361697226.

It is an arithmetic number, because the mean of its divisors is an integer number (3361697226).

Almost surely, 2^6723394451 is an apocalyptic number.

6723394451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723394451 is an equidigital number, since it uses as much as digits as its factorization.

6723394451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 6723394451 is about 81996.3075449133. The cubic root of 6723394451 is about 1887.3952763616.

The spelling of 6723394451 in words is "six billion, seven hundred twenty-three million, three hundred ninety-four thousand, four hundred fifty-one".