728149909607 has 8 divisors (see below), whose sum is σ = 766611480960. Its totient is φ = 689702127480.

The previous prime is 728149909601. The next prime is 728149909621. The reversal of 728149909607 is 706909941827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728149909607 - 2⁸ = 728149909351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 728149909607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728149909601) 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 7 ways as a sum of consecutive naturals, for example, 3338819 + ... + 3550212.

It is an arithmetic number, because the mean of its divisors is an integer number (95826435120).

Almost surely, 2^728149909607 is an apocalyptic number.

728149909607 is a deficient number, since it is larger than the sum of its proper divisors (38461571353).

728149909607 is a wasteful number, since it uses less digits than its factorization.

728149909607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894613.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 728149909607 in words is "seven hundred twenty-eight billion, one hundred forty-nine million, nine hundred nine thousand, six hundred seven".