729248372773 has 2 divisors, whose sum is σ = 729248372774. Its totient is φ = 729248372772.

The previous prime is 729248372737. The next prime is 729248372779. The reversal of 729248372773 is 377273842927.

Together with previous prime (729248372737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726759660004 + 2488712769 = 852502^2 + 49887^2 .

It is a cyclic number.

It is not a de Polignac number, because 729248372773 - 2²⁵ = 729214818341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729248372779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364624186386 + 364624186387.

It is an arithmetic number, because the mean of its divisors is an integer number (364624186387).

Almost surely, 2^729248372773 is an apocalyptic number.

It is an amenable number.

729248372773 is a deficient number, since it is larger than the sum of its proper divisors (1).

729248372773 is an equidigital number, since it uses as much as digits as its factorization.

729248372773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49787136, while the sum is 61.

The spelling of 729248372773 in words is "seven hundred twenty-nine billion, two hundred forty-eight million, three hundred seventy-two thousand, seven hundred seventy-three".