728434241694 has 24 divisors (see below), whose sum is σ = 1578781958520. Its totient is φ = 242733295728.

The previous prime is 728434241693. The next prime is 728434241753. The reversal of 728434241694 is 496142434827.

728434241694 is a `hidden beast` number, since 7 + 28 + 434 + 24 + 169 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 728434241694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728434241693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6452332 + ... + 6564255.

It is an arithmetic number, because the mean of its divisors is an integer number (65782581605).

Almost surely, 2^728434241694 is an apocalyptic number.

728434241694 is an abundant number, since it is smaller than the sum of its proper divisors (850347716826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728434241694 is a wasteful number, since it uses less digits than its factorization.

728434241694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019704 (or 13019701 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 728434241694 in words is "seven hundred twenty-eight billion, four hundred thirty-four million, two hundred forty-one thousand, six hundred ninety-four".