726690654727 has 2 divisors, whose sum is σ = 726690654728. Its totient is φ = 726690654726.

The previous prime is 726690654721. The next prime is 726690654749. The reversal of 726690654727 is 727456096627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726690654727 - 2²³ = 726682266119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726690654721) 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 as a sum of consecutive naturals, namely, 363345327363 + 363345327364.

It is an arithmetic number, because the mean of its divisors is an integer number (363345327364).

Almost surely, 2^726690654727 is an apocalyptic number.

726690654727 is a deficient number, since it is larger than the sum of its proper divisors (1).

726690654727 is an equidigital number, since it uses as much as digits as its factorization.

726690654727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 726690654727 in words is "seven hundred twenty-six billion, six hundred ninety million, six hundred fifty-four thousand, seven hundred twenty-seven".