728343148399 has 2 divisors, whose sum is σ = 728343148400. Its totient is φ = 728343148398.

The previous prime is 728343148327. The next prime is 728343148417. The reversal of 728343148399 is 993841343827.

It is a strong prime.

It is an emirp because it is prime and its reverse (993841343827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 728343148399 - 2¹³ = 728343140207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728343142399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364171574199 + 364171574200.

It is an arithmetic number, because the mean of its divisors is an integer number (364171574200).

Almost surely, 2^728343148399 is an apocalyptic number.

728343148399 is a deficient number, since it is larger than the sum of its proper divisors (1).

728343148399 is an equidigital number, since it uses as much as digits as its factorization.

728343148399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 728343148399 in words is "seven hundred twenty-eight billion, three hundred forty-three million, one hundred forty-eight thousand, three hundred ninety-nine".