726454496329 has 3 divisors (see below), whose sum is σ = 726455348653. Its totient is φ = 726453644006.

The previous prime is 726454496291. The next prime is 726454496353. The reversal of 726454496329 is 923694454627.

The square root of 726454496329 is 852323.

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, and also an emirpimes, since its reverse is a distinct semiprime: 923694454627 = 7 ⋅131956350661.

It is not a de Polignac number, because 726454496329 - 2¹¹ = 726454494281 is a prime.

It is a super-2 number, since 2×726454496329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726454496129) 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, 426162 + ... + 1278484.

Almost surely, 2^726454496329 is an apocalyptic number.

726454496329 is the 852323-rd square number.

726454496329 is the 426162-nd centered octagonal number.

It is an amenable number.

726454496329 is a deficient number, since it is larger than the sum of its proper divisors (852324).

726454496329 is an frugal number, since it uses more digits than its factorization.

726454496329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704646 (or 852323 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 61.

The spelling of 726454496329 in words is "seven hundred twenty-six billion, four hundred fifty-four million, four hundred ninety-six thousand, three hundred twenty-nine".