723286859484049 has 45 divisors (see below), whose sum is σ = 846339552951921. Its totient is φ = 618088504723200.

The previous prime is 723286859484043. The next prime is 723286859484157. The reversal of 723286859484049 is 940484958682327.

The square root of 723286859484049 is 26893993.

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

It can be written as a sum of positive squares in 4 ways, for example, as 78463721100625 + 644823138383424 = 8857975^2 + 25393368^2 .

It is not a de Polignac number, because 723286859484049 - 2¹⁹ = 723286858959761 is a prime.

It is a super-2 number, since 2×723286859484049² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 723286859484049.

It is not an unprimeable number, because it can be changed into a prime (723286859484043) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 602237184649 + ... + 602237185849.

Almost surely, 2^{723286859484049} is an apocalyptic number.

723286859484049 is the 26893993-rd square number.

723286859484049 is the 13446997-th centered octagonal number.

It is an amenable number.

723286859484049 is a deficient number, since it is larger than the sum of its proper divisors (123052693467872).

723286859484049 is an frugal number, since it uses more digits than its factorization.

723286859484049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 6688604160, while the sum is 79.

The spelling of 723286859484049 in words is "seven hundred twenty-three trillion, two hundred eighty-six billion, eight hundred fifty-nine million, four hundred eighty-four thousand, forty-nine".