963728069 has 4 divisors (see below), whose sum is σ = 963844140. Its totient is φ = 963612000.

The previous prime is 963728063. The next prime is 963728099. The reversal of 963728069 is 960827369.

963728069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 578979844 + 384748225 = 24062^2 + 19615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-963728069 is a prime.

It is a super-3 number, since 3×963728069³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963728063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44534 + ... + 62535.

It is an arithmetic number, because the mean of its divisors is an integer number (240961035).

Almost surely, 2^963728069 is an apocalyptic number.

It is an amenable number.

963728069 is a deficient number, since it is larger than the sum of its proper divisors (116071).

963728069 is a wasteful number, since it uses less digits than its factorization.

963728069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116070.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 963728069 is about 31043.9699297625. The cubic root of 963728069 is about 987.7601537294.

The spelling of 963728069 in words is "nine hundred sixty-three million, seven hundred twenty-eight thousand, sixty-nine".