724465383281 has 2 divisors, whose sum is σ = 724465383282. Its totient is φ = 724465383280.

The previous prime is 724465383199. The next prime is 724465383283. The reversal of 724465383281 is 182383564427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638146943281 + 86318440000 = 798841^2 + 293800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724465383281 is a prime.

It is a super-2 number, since 2×724465383281² (a number of 25 digits) contains 22 as substring.

Together with 724465383283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (724465383283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362232691640 + 362232691641.

It is an arithmetic number, because the mean of its divisors is an integer number (362232691641).

Almost surely, 2^724465383281 is an apocalyptic number.

It is an amenable number.

724465383281 is a deficient number, since it is larger than the sum of its proper divisors (1).

724465383281 is an equidigital number, since it uses as much as digits as its factorization.

724465383281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 53.

The spelling of 724465383281 in words is "seven hundred twenty-four billion, four hundred sixty-five million, three hundred eighty-three thousand, two hundred eighty-one".