682723765441 has 3 divisors (see below), whose sum is σ = 682724591713. Its totient is φ = 682722939170.

The previous prime is 682723765439. The next prime is 682723765481. The reversal of 682723765441 is 144567327286.

The square root of 682723765441 is 826271.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 682723765441 - 2¹ = 682723765439 is a prime.

It is a super-2 number, since 2×682723765441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682723765481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 413136 + ... + 1239406.

Almost surely, 2^682723765441 is an apocalyptic number.

682723765441 is the 826271-st square number.

682723765441 is the 413136-th centered octagonal number.

It is an amenable number.

682723765441 is a deficient number, since it is larger than the sum of its proper divisors (826272).

682723765441 is an frugal number, since it uses more digits than its factorization.

682723765441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652542 (or 826271 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 55.

The spelling of 682723765441 in words is "six hundred eighty-two billion, seven hundred twenty-three million, seven hundred sixty-five thousand, four hundred forty-one".