726403325543 has 16 divisors (see below), whose sum is σ = 831332606016. Its totient is φ = 621763983360.

The previous prime is 726403325429. The next prime is 726403325597. The reversal of 726403325543 is 345523304627.

It is a cyclic number.

It is not a de Polignac number, because 726403325543 - 2³⁶ = 657683848807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726403325494 and 726403325503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726403322543) 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 in 15 ways as a sum of consecutive naturals, for example, 15618203 + ... + 15664643.

It is an arithmetic number, because the mean of its divisors is an integer number (51958287876).

Almost surely, 2^726403325543 is an apocalyptic number.

726403325543 is a deficient number, since it is larger than the sum of its proper divisors (104929280473).

726403325543 is a wasteful number, since it uses less digits than its factorization.

726403325543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49514.

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 726403325543 in words is "seven hundred twenty-six billion, four hundred three million, three hundred twenty-five thousand, five hundred forty-three".