729091389193 has 2 divisors, whose sum is σ = 729091389194. Its totient is φ = 729091389192.

The previous prime is 729091389179. The next prime is 729091389241. The reversal of 729091389193 is 391983190927.

729091389193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523708400329 + 205382988864 = 723677^2 + 453192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729091389193 is a prime.

It is not a weakly prime, because it can be changed into another prime (729091489193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364545694596 + 364545694597.

It is an arithmetic number, because the mean of its divisors is an integer number (364545694597).

Almost surely, 2^729091389193 is an apocalyptic number.

It is an amenable number.

729091389193 is a deficient number, since it is larger than the sum of its proper divisors (1).

729091389193 is an equidigital number, since it uses as much as digits as its factorization.

729091389193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 729091389193 in words is "seven hundred twenty-nine billion, ninety-one million, three hundred eighty-nine thousand, one hundred ninety-three".