729442572997 has 2 divisors, whose sum is σ = 729442572998. Its totient is φ = 729442572996.

The previous prime is 729442572961. The next prime is 729442573037. The reversal of 729442572997 is 799275244927.

729442572997 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., 399542824836 + 329899748161 = 632094^2 + 574369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729442572997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729442572907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364721286498 + 364721286499.

It is an arithmetic number, because the mean of its divisors is an integer number (364721286499).

Almost surely, 2^729442572997 is an apocalyptic number.

It is an amenable number.

729442572997 is a deficient number, since it is larger than the sum of its proper divisors (1).

729442572997 is an equidigital number, since it uses as much as digits as its factorization.

729442572997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160030080, while the sum is 67.

The spelling of 729442572997 in words is "seven hundred twenty-nine billion, four hundred forty-two million, five hundred seventy-two thousand, nine hundred ninety-seven".