726889282543 has 2 divisors, whose sum is σ = 726889282544. Its totient is φ = 726889282542.

The previous prime is 726889282453. The next prime is 726889282577. The reversal of 726889282543 is 345282988627.

Together with previous prime (726889282453) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726889282543 - 2³³ = 718299347951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726889282583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363444641271 + 363444641272.

It is an arithmetic number, because the mean of its divisors is an integer number (363444641272).

Almost surely, 2^726889282543 is an apocalyptic number.

726889282543 is a deficient number, since it is larger than the sum of its proper divisors (1).

726889282543 is an equidigital number, since it uses as much as digits as its factorization.

726889282543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92897280, while the sum is 64.

The spelling of 726889282543 in words is "seven hundred twenty-six billion, eight hundred eighty-nine million, two hundred eighty-two thousand, five hundred forty-three".