728602680413 has 4 divisors (see below), whose sum is σ = 728604617568. Its totient is φ = 728600743260.

The previous prime is 728602680397. The next prime is 728602680433. The reversal of 728602680413 is 314086206827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 728602680413 - 2⁴ = 728602680397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728602680433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202343 + ... + 1223988.

It is an arithmetic number, because the mean of its divisors is an integer number (182151154392).

Almost surely, 2^728602680413 is an apocalyptic number.

It is an amenable number.

728602680413 is a deficient number, since it is larger than the sum of its proper divisors (1937155).

728602680413 is a wasteful number, since it uses less digits than its factorization.

728602680413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937154.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 728602680413 in words is "seven hundred twenty-eight billion, six hundred two million, six hundred eighty thousand, four hundred thirteen".