726714554641 has 2 divisors, whose sum is σ = 726714554642. Its totient is φ = 726714554640.

The previous prime is 726714554603. The next prime is 726714554651. The reversal of 726714554641 is 146455417627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595681414416 + 131033140225 = 771804^2 + 361985^2 .

It is a cyclic number.

It is not a de Polignac number, because 726714554641 - 2⁷ = 726714554513 is a prime.

It is a super-2 number, since 2×726714554641² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (726714554651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363357277320 + 363357277321.

It is an arithmetic number, because the mean of its divisors is an integer number (363357277321).

Almost surely, 2^726714554641 is an apocalyptic number.

It is an amenable number.

726714554641 is a deficient number, since it is larger than the sum of its proper divisors (1).

726714554641 is an equidigital number, since it uses as much as digits as its factorization.

726714554641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 52.

The spelling of 726714554641 in words is "seven hundred twenty-six billion, seven hundred fourteen million, five hundred fifty-four thousand, six hundred forty-one".