728606342039 has 2 divisors, whose sum is σ = 728606342040. Its totient is φ = 728606342038.

The previous prime is 728606342027. The next prime is 728606342083. The reversal of 728606342039 is 930243606827.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728606342039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728606342839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364303171019 + 364303171020.

It is an arithmetic number, because the mean of its divisors is an integer number (364303171020).

Almost surely, 2^728606342039 is an apocalyptic number.

728606342039 is a deficient number, since it is larger than the sum of its proper divisors (1).

728606342039 is an equidigital number, since it uses as much as digits as its factorization.

728606342039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 728606342039 in words is "seven hundred twenty-eight billion, six hundred six million, three hundred forty-two thousand, thirty-nine".